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Finding the Fourth Proportional to 55,663.40, 83,486.99 and 16,209.92

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Solution

The fourth proportional to 55,663.40, 83,486.99 and 16,209.92 is: 24,312.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,663.40 : 83,486.99 = 16,209.92 : x
  2. Step 2: Convert to fraction form
    55,663.40/83,486.99 = 16,209.92/x
  3. Step 3: Cross multiply
    55,663.40x = 83,486.99 × 16,209.92
  4. Step 4: Simplify right side
    55,663.40x = 1,353,317,052.03
  5. Step 5: Solve for x
    x = 1,353,317,052.03/55,663.40
  6. Step 6: Final answer
    x = 24,312.51

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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.