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Finding the Fourth Proportional to 7,031.01, 9,703.50 and 4,046.97

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Solution

The fourth proportional to 7,031.01, 9,703.50 and 4,046.97 is: 5,585.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.01 : 9,703.50 = 4,046.97 : x
  2. Step 2: Convert to fraction form
    7,031.01/9,703.50 = 4,046.97/x
  3. Step 3: Cross multiply
    7,031.01x = 9,703.50 × 4,046.97
  4. Step 4: Simplify right side
    7,031.01x = 39,269,773.40
  5. Step 5: Solve for x
    x = 39,269,773.40/7,031.01
  6. Step 6: Final answer
    x = 5,585.23

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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.