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Finding the Fourth Proportional to 60,425.68, 90,635.64 and 18,303.88

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Solution

The fourth proportional to 60,425.68, 90,635.64 and 18,303.88 is: 27,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,425.68 : 90,635.64 = 18,303.88 : x
  2. Step 2: Convert to fraction form
    60,425.68/90,635.64 = 18,303.88/x
  3. Step 3: Cross multiply
    60,425.68x = 90,635.64 × 18,303.88
  4. Step 4: Simplify right side
    60,425.68x = 1,658,983,878.28
  5. Step 5: Solve for x
    x = 1,658,983,878.28/60,425.68
  6. Step 6: Final answer
    x = 27,454.95

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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.