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Finding the Fourth Proportional to 70,951.84, 97,733.52 and 54,155.68

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Solution

The fourth proportional to 70,951.84, 97,733.52 and 54,155.68 is: 74,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,951.84 : 97,733.52 = 54,155.68 : x
  2. Step 2: Convert to fraction form
    70,951.84/97,733.52 = 54,155.68/x
  3. Step 3: Cross multiply
    70,951.84x = 97,733.52 × 54,155.68
  4. Step 4: Simplify right side
    70,951.84x = 5,292,825,234.39
  5. Step 5: Solve for x
    x = 5,292,825,234.39/70,951.84
  6. Step 6: Final answer
    x = 74,597.43

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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.