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Finding the Fourth Proportional to 63,275.50, 94,929.12 and 18,902.08

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Solution

The fourth proportional to 63,275.50, 94,929.12 and 18,902.08 is: 28,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,275.50 : 94,929.12 = 18,902.08 : x
  2. Step 2: Convert to fraction form
    63,275.50/94,929.12 = 18,902.08/x
  3. Step 3: Cross multiply
    63,275.50x = 94,929.12 × 18,902.08
  4. Step 4: Simplify right side
    63,275.50x = 1,794,357,820.57
  5. Step 5: Solve for x
    x = 1,794,357,820.57/63,275.50
  6. Step 6: Final answer
    x = 28,357.86

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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.