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Finding the Fourth Proportional to 59,998.80, 89,938.50 and 28,352.82

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Solution

The fourth proportional to 59,998.80, 89,938.50 and 28,352.82 is: 42,501.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,998.80 : 89,938.50 = 28,352.82 : x
  2. Step 2: Convert to fraction form
    59,998.80/89,938.50 = 28,352.82/x
  3. Step 3: Cross multiply
    59,998.80x = 89,938.50 × 28,352.82
  4. Step 4: Simplify right side
    59,998.80x = 2,550,010,101.57
  5. Step 5: Solve for x
    x = 2,550,010,101.57/59,998.80
  6. Step 6: Final answer
    x = 42,501.02

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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.