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Finding the Fourth Proportional to 60,281.64, 90,412.02 and 15,908.76

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Solution

The fourth proportional to 60,281.64, 90,412.02 and 15,908.76 is: 23,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,281.64 : 90,412.02 = 15,908.76 : x
  2. Step 2: Convert to fraction form
    60,281.64/90,412.02 = 15,908.76/x
  3. Step 3: Cross multiply
    60,281.64x = 90,412.02 × 15,908.76
  4. Step 4: Simplify right side
    60,281.64x = 1,438,343,127.30
  5. Step 5: Solve for x
    x = 1,438,343,127.30/60,281.64
  6. Step 6: Final answer
    x = 23,860.38

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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.