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Finding the Fourth Proportional to 8,959.17, 13,449.14 and 4,807.30

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Solution

The fourth proportional to 8,959.17, 13,449.14 and 4,807.30 is: 7,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.17 : 13,449.14 = 4,807.30 : x
  2. Step 2: Convert to fraction form
    8,959.17/13,449.14 = 4,807.30/x
  3. Step 3: Cross multiply
    8,959.17x = 13,449.14 × 4,807.30
  4. Step 4: Simplify right side
    8,959.17x = 64,654,050.72
  5. Step 5: Solve for x
    x = 64,654,050.72/8,959.17
  6. Step 6: Final answer
    x = 7,216.52

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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.