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Finding the Fourth Proportional to 55,657.92, 83,486.86 and 16,218.12

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Solution

The fourth proportional to 55,657.92, 83,486.86 and 16,218.12 is: 24,327.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,657.92 : 83,486.86 = 16,218.12 : x
  2. Step 2: Convert to fraction form
    55,657.92/83,486.86 = 16,218.12/x
  3. Step 3: Cross multiply
    55,657.92x = 83,486.86 × 16,218.12
  4. Step 4: Simplify right side
    55,657.92x = 1,353,999,913.90
  5. Step 5: Solve for x
    x = 1,353,999,913.90/55,657.92
  6. Step 6: Final answer
    x = 24,327.17

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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.