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Finding the Fourth Proportional to 61,277.60, 84,559.92 and 34,421.24

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Solution

The fourth proportional to 61,277.60, 84,559.92 and 34,421.24 is: 47,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,277.60 : 84,559.92 = 34,421.24 : x
  2. Step 2: Convert to fraction form
    61,277.60/84,559.92 = 34,421.24/x
  3. Step 3: Cross multiply
    61,277.60x = 84,559.92 × 34,421.24
  4. Step 4: Simplify right side
    61,277.60x = 2,910,657,300.70
  5. Step 5: Solve for x
    x = 2,910,657,300.70/61,277.60
  6. Step 6: Final answer
    x = 47,499.53

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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.