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Finding the Fourth Proportional to 66,182.50, 99,273.75 and 16,934.50

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Solution

The fourth proportional to 66,182.50, 99,273.75 and 16,934.50 is: 25,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,182.50 : 99,273.75 = 16,934.50 : x
  2. Step 2: Convert to fraction form
    66,182.50/99,273.75 = 16,934.50/x
  3. Step 3: Cross multiply
    66,182.50x = 99,273.75 × 16,934.50
  4. Step 4: Simplify right side
    66,182.50x = 1,681,151,319.38
  5. Step 5: Solve for x
    x = 1,681,151,319.38/66,182.50
  6. Step 6: Final answer
    x = 25,401.75

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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.