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Finding the Fourth Proportional to 60,424.68, 90,634.14 and 18,302.88

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Solution

The fourth proportional to 60,424.68, 90,634.14 and 18,302.88 is: 27,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,424.68 : 90,634.14 = 18,302.88 : x
  2. Step 2: Convert to fraction form
    60,424.68/90,634.14 = 18,302.88/x
  3. Step 3: Cross multiply
    60,424.68x = 90,634.14 × 18,302.88
  4. Step 4: Simplify right side
    60,424.68x = 1,658,865,788.32
  5. Step 5: Solve for x
    x = 1,658,865,788.32/60,424.68
  6. Step 6: Final answer
    x = 27,453.45

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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.