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Finding the Fourth Proportional to 53,878.50, 80,815.86 and 16,437.06

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Solution

The fourth proportional to 53,878.50, 80,815.86 and 16,437.06 is: 24,655.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,878.50 : 80,815.86 = 16,437.06 : x
  2. Step 2: Convert to fraction form
    53,878.50/80,815.86 = 16,437.06/x
  3. Step 3: Cross multiply
    53,878.50x = 80,815.86 × 16,437.06
  4. Step 4: Simplify right side
    53,878.50x = 1,328,375,139.77
  5. Step 5: Solve for x
    x = 1,328,375,139.77/53,878.50
  6. Step 6: Final answer
    x = 24,655.01

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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.