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Finding the Fourth Proportional to 2,924.53, 4,358.41 and 2,831.13

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Solution

The fourth proportional to 2,924.53, 4,358.41 and 2,831.13 is: 4,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.53 : 4,358.41 = 2,831.13 : x
  2. Step 2: Convert to fraction form
    2,924.53/4,358.41 = 2,831.13/x
  3. Step 3: Cross multiply
    2,924.53x = 4,358.41 × 2,831.13
  4. Step 4: Simplify right side
    2,924.53x = 12,339,225.30
  5. Step 5: Solve for x
    x = 12,339,225.30/2,924.53
  6. Step 6: Final answer
    x = 4,219.22

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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.