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Finding the Fourth Proportional to 60,439.68, 90,609.57 and 26,681.67

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Solution

The fourth proportional to 60,439.68, 90,609.57 and 26,681.67 is: 40,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,439.68 : 90,609.57 = 26,681.67 : x
  2. Step 2: Convert to fraction form
    60,439.68/90,609.57 = 26,681.67/x
  3. Step 3: Cross multiply
    60,439.68x = 90,609.57 × 26,681.67
  4. Step 4: Simplify right side
    60,439.68x = 2,417,614,645.58
  5. Step 5: Solve for x
    x = 2,417,614,645.58/60,439.68
  6. Step 6: Final answer
    x = 40,000.45

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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.