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Finding the Fourth Proportional to 7,337.10, 11,005.65 and 6,851.10

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Solution

The fourth proportional to 7,337.10, 11,005.65 and 6,851.10 is: 10,276.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.10 : 11,005.65 = 6,851.10 : x
  2. Step 2: Convert to fraction form
    7,337.10/11,005.65 = 6,851.10/x
  3. Step 3: Cross multiply
    7,337.10x = 11,005.65 × 6,851.10
  4. Step 4: Simplify right side
    7,337.10x = 75,400,808.72
  5. Step 5: Solve for x
    x = 75,400,808.72/7,337.10
  6. Step 6: Final answer
    x = 10,276.65

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Half scale
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Find fourth proportional to 7,338.10, 11,007.15 and 6,852.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.