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Finding the Fourth Proportional to 55,999.60, 83,999.40 and 16,557.10

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Solution

The fourth proportional to 55,999.60, 83,999.40 and 16,557.10 is: 24,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,999.60 : 83,999.40 = 16,557.10 : x
  2. Step 2: Convert to fraction form
    55,999.60/83,999.40 = 16,557.10/x
  3. Step 3: Cross multiply
    55,999.60x = 83,999.40 × 16,557.10
  4. Step 4: Simplify right side
    55,999.60x = 1,390,786,465.74
  5. Step 5: Solve for x
    x = 1,390,786,465.74/55,999.60
  6. Step 6: Final answer
    x = 24,835.65

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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.