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Finding the Fourth Proportional to 5,966.60, 8,951.10 and 4,999.40

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Solution

The fourth proportional to 5,966.60, 8,951.10 and 4,999.40 is: 7,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,966.60 : 8,951.10 = 4,999.40 : x
  2. Step 2: Convert to fraction form
    5,966.60/8,951.10 = 4,999.40/x
  3. Step 3: Cross multiply
    5,966.60x = 8,951.10 × 4,999.40
  4. Step 4: Simplify right side
    5,966.60x = 44,750,129.34
  5. Step 5: Solve for x
    x = 44,750,129.34/5,966.60
  6. Step 6: Final answer
    x = 7,500.11

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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.