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Finding the Fourth Proportional to 8,476.31, 11,697.35 and 4,750.31

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Solution

The fourth proportional to 8,476.31, 11,697.35 and 4,750.31 is: 6,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.31 : 11,697.35 = 4,750.31 : x
  2. Step 2: Convert to fraction form
    8,476.31/11,697.35 = 4,750.31/x
  3. Step 3: Cross multiply
    8,476.31x = 11,697.35 × 4,750.31
  4. Step 4: Simplify right side
    8,476.31x = 55,566,044.17
  5. Step 5: Solve for x
    x = 55,566,044.17/8,476.31
  6. Step 6: Final answer
    x = 6,555.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.