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Finding the Fourth Proportional to 56,381.49, 84,565.75 and 14,831.73

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Solution

The fourth proportional to 56,381.49, 84,565.75 and 14,831.73 is: 22,245.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,381.49 : 84,565.75 = 14,831.73 : x
  2. Step 2: Convert to fraction form
    56,381.49/84,565.75 = 14,831.73/x
  3. Step 3: Cross multiply
    56,381.49x = 84,565.75 × 14,831.73
  4. Step 4: Simplify right side
    56,381.49x = 1,254,256,371.25
  5. Step 5: Solve for x
    x = 1,254,256,371.25/56,381.49
  6. Step 6: Final answer
    x = 22,245.89

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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.