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Finding the Fourth Proportional to 52,616.55, 72,610.02 and 28,742.76

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Solution

The fourth proportional to 52,616.55, 72,610.02 and 28,742.76 is: 39,664.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,616.55 : 72,610.02 = 28,742.76 : x
  2. Step 2: Convert to fraction form
    52,616.55/72,610.02 = 28,742.76/x
  3. Step 3: Cross multiply
    52,616.55x = 72,610.02 × 28,742.76
  4. Step 4: Simplify right side
    52,616.55x = 2,087,012,378.46
  5. Step 5: Solve for x
    x = 2,087,012,378.46/52,616.55
  6. Step 6: Final answer
    x = 39,664.56

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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.