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Finding the Fourth Proportional to 77,773.42, 116,671.47 and 38,332.90

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Solution

The fourth proportional to 77,773.42, 116,671.47 and 38,332.90 is: 57,504.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,773.42 : 116,671.47 = 38,332.90 : x
  2. Step 2: Convert to fraction form
    77,773.42/116,671.47 = 38,332.90/x
  3. Step 3: Cross multiply
    77,773.42x = 116,671.47 × 38,332.90
  4. Step 4: Simplify right side
    77,773.42x = 4,472,355,792.36
  5. Step 5: Solve for x
    x = 4,472,355,792.36/77,773.42
  6. Step 6: Final answer
    x = 57,504.94

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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.