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Finding the Fourth Proportional to 7,246.40, 10,001.50 and 4,728.92

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Solution

The fourth proportional to 7,246.40, 10,001.50 and 4,728.92 is: 6,526.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.40 : 10,001.50 = 4,728.92 : x
  2. Step 2: Convert to fraction form
    7,246.40/10,001.50 = 4,728.92/x
  3. Step 3: Cross multiply
    7,246.40x = 10,001.50 × 4,728.92
  4. Step 4: Simplify right side
    7,246.40x = 47,296,293.38
  5. Step 5: Solve for x
    x = 47,296,293.38/7,246.40
  6. Step 6: Final answer
    x = 6,526.87

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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.