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Finding the Fourth Proportional to 4,707.52, 7,060.80 and 1,245.12

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Solution

The fourth proportional to 4,707.52, 7,060.80 and 1,245.12 is: 1,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,707.52 : 7,060.80 = 1,245.12 : x
  2. Step 2: Convert to fraction form
    4,707.52/7,060.80 = 1,245.12/x
  3. Step 3: Cross multiply
    4,707.52x = 7,060.80 × 1,245.12
  4. Step 4: Simplify right side
    4,707.52x = 8,791,543.30
  5. Step 5: Solve for x
    x = 8,791,543.30/4,707.52
  6. Step 6: Final answer
    x = 1,867.55

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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.