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Finding the Fourth Proportional to 40,719.70, 61,030.95 and 17,027.20

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Solution

The fourth proportional to 40,719.70, 61,030.95 and 17,027.20 is: 25,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,719.70 : 61,030.95 = 17,027.20 : x
  2. Step 2: Convert to fraction form
    40,719.70/61,030.95 = 17,027.20/x
  3. Step 3: Cross multiply
    40,719.70x = 61,030.95 × 17,027.20
  4. Step 4: Simplify right side
    40,719.70x = 1,039,186,191.84
  5. Step 5: Solve for x
    x = 1,039,186,191.84/40,719.70
  6. Step 6: Final answer
    x = 25,520.48

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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.