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Finding the Fourth Proportional to 66,125.52, 99,188.24 and 16,877.52

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Solution

The fourth proportional to 66,125.52, 99,188.24 and 16,877.52 is: 25,316.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,125.52 : 99,188.24 = 16,877.52 : x
  2. Step 2: Convert to fraction form
    66,125.52/99,188.24 = 16,877.52/x
  3. Step 3: Cross multiply
    66,125.52x = 99,188.24 × 16,877.52
  4. Step 4: Simplify right side
    66,125.52x = 1,674,051,504.36
  5. Step 5: Solve for x
    x = 1,674,051,504.36/66,125.52
  6. Step 6: Final answer
    x = 25,316.27

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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.