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Finding the Fourth Proportional to 70,061.93, 96,687.79 and 38,232.57

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Solution

The fourth proportional to 70,061.93, 96,687.79 and 38,232.57 is: 52,762.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,061.93 : 96,687.79 = 38,232.57 : x
  2. Step 2: Convert to fraction form
    70,061.93/96,687.79 = 38,232.57/x
  3. Step 3: Cross multiply
    70,061.93x = 96,687.79 × 38,232.57
  4. Step 4: Simplify right side
    70,061.93x = 3,696,622,699.32
  5. Step 5: Solve for x
    x = 3,696,622,699.32/70,061.93
  6. Step 6: Final answer
    x = 52,762.22

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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.