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Finding the Fourth Proportional to 34,488.59, 51,798.48 and 21,432.20

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Solution

The fourth proportional to 34,488.59, 51,798.48 and 21,432.20 is: 32,189.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,488.59 : 51,798.48 = 21,432.20 : x
  2. Step 2: Convert to fraction form
    34,488.59/51,798.48 = 21,432.20/x
  3. Step 3: Cross multiply
    34,488.59x = 51,798.48 × 21,432.20
  4. Step 4: Simplify right side
    34,488.59x = 1,110,155,124.06
  5. Step 5: Solve for x
    x = 1,110,155,124.06/34,488.59
  6. Step 6: Final answer
    x = 32,189.06

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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.