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Finding the Fourth Proportional to 61,499.55, 92,251.75 and 17,130.18

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Solution

The fourth proportional to 61,499.55, 92,251.75 and 17,130.18 is: 25,695.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,499.55 : 92,251.75 = 17,130.18 : x
  2. Step 2: Convert to fraction form
    61,499.55/92,251.75 = 17,130.18/x
  3. Step 3: Cross multiply
    61,499.55x = 92,251.75 × 17,130.18
  4. Step 4: Simplify right side
    61,499.55x = 1,580,289,082.82
  5. Step 5: Solve for x
    x = 1,580,289,082.82/61,499.55
  6. Step 6: Final answer
    x = 25,695.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.