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Finding the Fourth Proportional to 70,732.71, 97,607.52 and 38,895.48

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Solution

The fourth proportional to 70,732.71, 97,607.52 and 38,895.48 is: 53,673.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,732.71 : 97,607.52 = 38,895.48 : x
  2. Step 2: Convert to fraction form
    70,732.71/97,607.52 = 38,895.48/x
  3. Step 3: Cross multiply
    70,732.71x = 97,607.52 × 38,895.48
  4. Step 4: Simplify right side
    70,732.71x = 3,796,491,342.01
  5. Step 5: Solve for x
    x = 3,796,491,342.01/70,732.71
  6. Step 6: Final answer
    x = 53,673.77

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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.