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Finding the Fourth Proportional to 8,444.40, 11,841.60 and 8,444.40

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Solution

The fourth proportional to 8,444.40, 11,841.60 and 8,444.40 is: 11,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,444.40 : 11,841.60 = 8,444.40 : x
  2. Step 2: Convert to fraction form
    8,444.40/11,841.60 = 8,444.40/x
  3. Step 3: Cross multiply
    8,444.40x = 11,841.60 × 8,444.40
  4. Step 4: Simplify right side
    8,444.40x = 99,995,207.04
  5. Step 5: Solve for x
    x = 99,995,207.04/8,444.40
  6. Step 6: Final answer
    x = 11,841.60

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Half scale
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Double scale
Find fourth proportional to 8,445.40, 11,843 and 8,445.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.