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Finding the Fourth Proportional to 5,048.46, 7,572.65 and 1,585.71

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Solution

The fourth proportional to 5,048.46, 7,572.65 and 1,585.71 is: 2,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,048.46 : 7,572.65 = 1,585.71 : x
  2. Step 2: Convert to fraction form
    5,048.46/7,572.65 = 1,585.71/x
  3. Step 3: Cross multiply
    5,048.46x = 7,572.65 × 1,585.71
  4. Step 4: Simplify right side
    5,048.46x = 12,008,018.90
  5. Step 5: Solve for x
    x = 12,008,018.90/5,048.46
  6. Step 6: Final answer
    x = 2,378.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.