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Finding the Fourth Proportional to 70,932.70, 97,884.21 and 45,403.12

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Solution

The fourth proportional to 70,932.70, 97,884.21 and 45,403.12 is: 62,654.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,932.70 : 97,884.21 = 45,403.12 : x
  2. Step 2: Convert to fraction form
    70,932.70/97,884.21 = 45,403.12/x
  3. Step 3: Cross multiply
    70,932.70x = 97,884.21 × 45,403.12
  4. Step 4: Simplify right side
    70,932.70x = 4,444,248,532.74
  5. Step 5: Solve for x
    x = 4,444,248,532.74/70,932.70
  6. Step 6: Final answer
    x = 62,654.44

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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.