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Finding the Fourth Proportional to 60,664.50, 90,996.75 and 16,888.50

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Solution

The fourth proportional to 60,664.50, 90,996.75 and 16,888.50 is: 25,332.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,664.50 : 90,996.75 = 16,888.50 : x
  2. Step 2: Convert to fraction form
    60,664.50/90,996.75 = 16,888.50/x
  3. Step 3: Cross multiply
    60,664.50x = 90,996.75 × 16,888.50
  4. Step 4: Simplify right side
    60,664.50x = 1,536,798,612.38
  5. Step 5: Solve for x
    x = 1,536,798,612.38/60,664.50
  6. Step 6: Final answer
    x = 25,332.75

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Similar ratio
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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.