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Finding the Fourth Proportional to 62,955.17, 86,877.98 and 34,660.86

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Solution

The fourth proportional to 62,955.17, 86,877.98 and 34,660.86 is: 47,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,955.17 : 86,877.98 = 34,660.86 : x
  2. Step 2: Convert to fraction form
    62,955.17/86,877.98 = 34,660.86/x
  3. Step 3: Cross multiply
    62,955.17x = 86,877.98 × 34,660.86
  4. Step 4: Simplify right side
    62,955.17x = 3,011,264,894.17
  5. Step 5: Solve for x
    x = 3,011,264,894.17/62,955.17
  6. Step 6: Final answer
    x = 47,831.89

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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.