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Finding the Fourth Proportional to 55,886.76, 83,843.46 and 16,445.16

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Solution

The fourth proportional to 55,886.76, 83,843.46 and 16,445.16 is: 24,671.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,886.76 : 83,843.46 = 16,445.16 : x
  2. Step 2: Convert to fraction form
    55,886.76/83,843.46 = 16,445.16/x
  3. Step 3: Cross multiply
    55,886.76x = 83,843.46 × 16,445.16
  4. Step 4: Simplify right side
    55,886.76x = 1,378,819,114.65
  5. Step 5: Solve for x
    x = 1,378,819,114.65/55,886.76
  6. Step 6: Final answer
    x = 24,671.66

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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.