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Finding the Fourth Proportional to 7,294.31, 10,062.73 and 4,308.11

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Solution

The fourth proportional to 7,294.31, 10,062.73 and 4,308.11 is: 5,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294.31 : 10,062.73 = 4,308.11 : x
  2. Step 2: Convert to fraction form
    7,294.31/10,062.73 = 4,308.11/x
  3. Step 3: Cross multiply
    7,294.31x = 10,062.73 × 4,308.11
  4. Step 4: Simplify right side
    7,294.31x = 43,351,347.74
  5. Step 5: Solve for x
    x = 43,351,347.74/7,294.31
  6. Step 6: Final answer
    x = 5,943.17

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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.