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Finding the Fourth Proportional to 3,242.71, 4,831.42 and 3,030.54

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Solution

The fourth proportional to 3,242.71, 4,831.42 and 3,030.54 is: 4,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.71 : 4,831.42 = 3,030.54 : x
  2. Step 2: Convert to fraction form
    3,242.71/4,831.42 = 3,030.54/x
  3. Step 3: Cross multiply
    3,242.71x = 4,831.42 × 3,030.54
  4. Step 4: Simplify right side
    3,242.71x = 14,641,811.57
  5. Step 5: Solve for x
    x = 14,641,811.57/3,242.71
  6. Step 6: Final answer
    x = 4,515.30

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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.