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Finding the Fourth Proportional to 70,302.31, 105,463.49 and 25,925.62

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Solution

The fourth proportional to 70,302.31, 105,463.49 and 25,925.62 is: 38,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,302.31 : 105,463.49 = 25,925.62 : x
  2. Step 2: Convert to fraction form
    70,302.31/105,463.49 = 25,925.62/x
  3. Step 3: Cross multiply
    70,302.31x = 105,463.49 × 25,925.62
  4. Step 4: Simplify right side
    70,302.31x = 2,734,206,365.61
  5. Step 5: Solve for x
    x = 2,734,206,365.61/70,302.31
  6. Step 6: Final answer
    x = 38,892.13

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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.