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Finding the Fourth Proportional to 69,547.11, 95,974.17 and 37,715.63

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Solution

The fourth proportional to 69,547.11, 95,974.17 and 37,715.63 is: 52,047.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,547.11 : 95,974.17 = 37,715.63 : x
  2. Step 2: Convert to fraction form
    69,547.11/95,974.17 = 37,715.63/x
  3. Step 3: Cross multiply
    69,547.11x = 95,974.17 × 37,715.63
  4. Step 4: Simplify right side
    69,547.11x = 3,619,726,285.28
  5. Step 5: Solve for x
    x = 3,619,726,285.28/69,547.11
  6. Step 6: Final answer
    x = 52,047.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.