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Finding the Fourth Proportional to 60,747.81, 83,777.48 and 38,089.28

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Solution

The fourth proportional to 60,747.81, 83,777.48 and 38,089.28 is: 52,529.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,747.81 : 83,777.48 = 38,089.28 : x
  2. Step 2: Convert to fraction form
    60,747.81/83,777.48 = 38,089.28/x
  3. Step 3: Cross multiply
    60,747.81x = 83,777.48 × 38,089.28
  4. Step 4: Simplify right side
    60,747.81x = 3,191,023,284.08
  5. Step 5: Solve for x
    x = 3,191,023,284.08/60,747.81
  6. Step 6: Final answer
    x = 52,529.03

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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.