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Finding the Fourth Proportional to 15,107.58, 22,669.04 and 6,785.90

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Solution

The fourth proportional to 15,107.58, 22,669.04 and 6,785.90 is: 10,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107.58 : 22,669.04 = 6,785.90 : x
  2. Step 2: Convert to fraction form
    15,107.58/22,669.04 = 6,785.90/x
  3. Step 3: Cross multiply
    15,107.58x = 22,669.04 × 6,785.90
  4. Step 4: Simplify right side
    15,107.58x = 153,829,691.26
  5. Step 5: Solve for x
    x = 153,829,691.26/15,107.58
  6. Step 6: Final answer
    x = 10,182.29

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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.