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Finding the Fourth Proportional to 52,617.87, 72,617.66 and 28,748.14

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Solution

The fourth proportional to 52,617.87, 72,617.66 and 28,748.14 is: 39,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,617.87 : 72,617.66 = 28,748.14 : x
  2. Step 2: Convert to fraction form
    52,617.87/72,617.66 = 28,748.14/x
  3. Step 3: Cross multiply
    52,617.87x = 72,617.66 × 28,748.14
  4. Step 4: Simplify right side
    52,617.87x = 2,087,622,656.15
  5. Step 5: Solve for x
    x = 2,087,622,656.15/52,617.87
  6. Step 6: Final answer
    x = 39,675.16

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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.