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Finding the Fourth Proportional to 13,444.40, 18,841.60 and 13,444.40

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Solution

The fourth proportional to 13,444.40, 18,841.60 and 13,444.40 is: 18,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.40 : 18,841.60 = 13,444.40 : x
  2. Step 2: Convert to fraction form
    13,444.40/18,841.60 = 13,444.40/x
  3. Step 3: Cross multiply
    13,444.40x = 18,841.60 × 13,444.40
  4. Step 4: Simplify right side
    13,444.40x = 253,314,007.04
  5. Step 5: Solve for x
    x = 253,314,007.04/13,444.40
  6. Step 6: Final answer
    x = 18,841.60

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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.