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Finding the Fourth Proportional to 7,801.17, 10,765.70 and 4,264.38

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Solution

The fourth proportional to 7,801.17, 10,765.70 and 4,264.38 is: 5,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,801.17 : 10,765.70 = 4,264.38 : x
  2. Step 2: Convert to fraction form
    7,801.17/10,765.70 = 4,264.38/x
  3. Step 3: Cross multiply
    7,801.17x = 10,765.70 × 4,264.38
  4. Step 4: Simplify right side
    7,801.17x = 45,909,035.77
  5. Step 5: Solve for x
    x = 45,909,035.77/7,801.17
  6. Step 6: Final answer
    x = 5,884.89

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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.