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Finding the Fourth Proportional to 59,670.68, 89,450.28 and 20,200.28

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Solution

The fourth proportional to 59,670.68, 89,450.28 and 20,200.28 is: 30,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,670.68 : 89,450.28 = 20,200.28 : x
  2. Step 2: Convert to fraction form
    59,670.68/89,450.28 = 20,200.28/x
  3. Step 3: Cross multiply
    59,670.68x = 89,450.28 × 20,200.28
  4. Step 4: Simplify right side
    59,670.68x = 1,806,920,702.08
  5. Step 5: Solve for x
    x = 1,806,920,702.08/59,670.68
  6. Step 6: Final answer
    x = 30,281.55

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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.