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Finding the Fourth Proportional to 70,487.80, 97,277.66 and 46,572.52

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Solution

The fourth proportional to 70,487.80, 97,277.66 and 46,572.52 is: 64,273.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,487.80 : 97,277.66 = 46,572.52 : x
  2. Step 2: Convert to fraction form
    70,487.80/97,277.66 = 46,572.52/x
  3. Step 3: Cross multiply
    70,487.80x = 97,277.66 × 46,572.52
  4. Step 4: Simplify right side
    70,487.80x = 4,530,465,765.90
  5. Step 5: Solve for x
    x = 4,530,465,765.90/70,487.80
  6. Step 6: Final answer
    x = 64,273.05

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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.