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Finding the Fourth Proportional to 59,195.90, 88,789.80 and 19,214.30

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Solution

The fourth proportional to 59,195.90, 88,789.80 and 19,214.30 is: 28,820.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,195.90 : 88,789.80 = 19,214.30 : x
  2. Step 2: Convert to fraction form
    59,195.90/88,789.80 = 19,214.30/x
  3. Step 3: Cross multiply
    59,195.90x = 88,789.80 × 19,214.30
  4. Step 4: Simplify right side
    59,195.90x = 1,706,033,854.14
  5. Step 5: Solve for x
    x = 1,706,033,854.14/59,195.90
  6. Step 6: Final answer
    x = 28,820.14

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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.