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Finding the Fourth Proportional to 15,167.70, 22,746.15 and 6,851.70

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Solution

The fourth proportional to 15,167.70, 22,746.15 and 6,851.70 is: 10,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,167.70 : 22,746.15 = 6,851.70 : x
  2. Step 2: Convert to fraction form
    15,167.70/22,746.15 = 6,851.70/x
  3. Step 3: Cross multiply
    15,167.70x = 22,746.15 × 6,851.70
  4. Step 4: Simplify right side
    15,167.70x = 155,849,795.96
  5. Step 5: Solve for x
    x = 155,849,795.96/15,167.70
  6. Step 6: Final answer
    x = 10,275.11

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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.