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Finding the Fourth Proportional to 59,421.60, 88,986.60 and 39,592.80

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Solution

The fourth proportional to 59,421.60, 88,986.60 and 39,592.80 is: 59,292.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,421.60 : 88,986.60 = 39,592.80 : x
  2. Step 2: Convert to fraction form
    59,421.60/88,986.60 = 39,592.80/x
  3. Step 3: Cross multiply
    59,421.60x = 88,986.60 × 39,592.80
  4. Step 4: Simplify right side
    59,421.60x = 3,523,228,656.48
  5. Step 5: Solve for x
    x = 3,523,228,656.48/59,421.60
  6. Step 6: Final answer
    x = 59,292.05

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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.