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Finding the Fourth Proportional to 55,883, 83,816.29 and 18,444.29

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Solution

The fourth proportional to 55,883, 83,816.29 and 18,444.29 is: 27,663.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,883 : 83,816.29 = 18,444.29 : x
  2. Step 2: Convert to fraction form
    55,883/83,816.29 = 18,444.29/x
  3. Step 3: Cross multiply
    55,883x = 83,816.29 × 18,444.29
  4. Step 4: Simplify right side
    55,883x = 1,545,931,959.48
  5. Step 5: Solve for x
    x = 1,545,931,959.48/55,883
  6. Step 6: Final answer
    x = 27,663.73

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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.