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Finding the Fourth Proportional to 62,031.14, 93,041.17 and 19,899.79

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Solution

The fourth proportional to 62,031.14, 93,041.17 and 19,899.79 is: 29,847.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,031.14 : 93,041.17 = 19,899.79 : x
  2. Step 2: Convert to fraction form
    62,031.14/93,041.17 = 19,899.79/x
  3. Step 3: Cross multiply
    62,031.14x = 93,041.17 × 19,899.79
  4. Step 4: Simplify right side
    62,031.14x = 1,851,499,462.00
  5. Step 5: Solve for x
    x = 1,851,499,462.00/62,031.14
  6. Step 6: Final answer
    x = 29,847.90

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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.