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Finding the Fourth Proportional to 7,248.99, 10,000.31 and 5,124.63

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Solution

The fourth proportional to 7,248.99, 10,000.31 and 5,124.63 is: 7,069.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,248.99 : 10,000.31 = 5,124.63 : x
  2. Step 2: Convert to fraction form
    7,248.99/10,000.31 = 5,124.63/x
  3. Step 3: Cross multiply
    7,248.99x = 10,000.31 × 5,124.63
  4. Step 4: Simplify right side
    7,248.99x = 51,247,863.01
  5. Step 5: Solve for x
    x = 51,247,863.01/7,248.99
  6. Step 6: Final answer
    x = 7,069.66

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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.