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Finding the Fourth Proportional to 25,115.52, 37,685.52 and 10,328.88

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Solution

The fourth proportional to 25,115.52, 37,685.52 and 10,328.88 is: 15,498.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,115.52 : 37,685.52 = 10,328.88 : x
  2. Step 2: Convert to fraction form
    25,115.52/37,685.52 = 10,328.88/x
  3. Step 3: Cross multiply
    25,115.52x = 37,685.52 × 10,328.88
  4. Step 4: Simplify right side
    25,115.52x = 389,249,213.82
  5. Step 5: Solve for x
    x = 389,249,213.82/25,115.52
  6. Step 6: Final answer
    x = 15,498.35

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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.