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Finding the Fourth Proportional to 9,101.60, 13,630.80 and 5,602.40

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Solution

The fourth proportional to 9,101.60, 13,630.80 and 5,602.40 is: 8,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.60 : 13,630.80 = 5,602.40 : x
  2. Step 2: Convert to fraction form
    9,101.60/13,630.80 = 5,602.40/x
  3. Step 3: Cross multiply
    9,101.60x = 13,630.80 × 5,602.40
  4. Step 4: Simplify right side
    9,101.60x = 76,365,193.92
  5. Step 5: Solve for x
    x = 76,365,193.92/9,101.60
  6. Step 6: Final answer
    x = 8,390.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.