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Finding the Fourth Proportional to 5,024.99, 7,490.15 and 4,865.78

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Solution

The fourth proportional to 5,024.99, 7,490.15 and 4,865.78 is: 7,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,024.99 : 7,490.15 = 4,865.78 : x
  2. Step 2: Convert to fraction form
    5,024.99/7,490.15 = 4,865.78/x
  3. Step 3: Cross multiply
    5,024.99x = 7,490.15 × 4,865.78
  4. Step 4: Simplify right side
    5,024.99x = 36,445,360.29
  5. Step 5: Solve for x
    x = 36,445,360.29/5,024.99
  6. Step 6: Final answer
    x = 7,252.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.