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Finding the Fourth Proportional to 59,166.80, 88,728.60 and 19,725.20

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Solution

The fourth proportional to 59,166.80, 88,728.60 and 19,725.20 is: 29,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,166.80 : 88,728.60 = 19,725.20 : x
  2. Step 2: Convert to fraction form
    59,166.80/88,728.60 = 19,725.20/x
  3. Step 3: Cross multiply
    59,166.80x = 88,728.60 × 19,725.20
  4. Step 4: Simplify right side
    59,166.80x = 1,750,189,380.72
  5. Step 5: Solve for x
    x = 1,750,189,380.72/59,166.80
  6. Step 6: Final answer
    x = 29,580.60

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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.