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Finding the Fourth Proportional to 45,241.74, 67,837.95 and 15,657.12

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Solution

The fourth proportional to 45,241.74, 67,837.95 and 15,657.12 is: 23,477.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,241.74 : 67,837.95 = 15,657.12 : x
  2. Step 2: Convert to fraction form
    45,241.74/67,837.95 = 15,657.12/x
  3. Step 3: Cross multiply
    45,241.74x = 67,837.95 × 15,657.12
  4. Step 4: Simplify right side
    45,241.74x = 1,062,146,923.70
  5. Step 5: Solve for x
    x = 1,062,146,923.70/45,241.74
  6. Step 6: Final answer
    x = 23,477.15

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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.