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Finding the Fourth Proportional to 66,776.34, 100,203.86 and 24,686.17

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Solution

The fourth proportional to 66,776.34, 100,203.86 and 24,686.17 is: 37,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,776.34 : 100,203.86 = 24,686.17 : x
  2. Step 2: Convert to fraction form
    66,776.34/100,203.86 = 24,686.17/x
  3. Step 3: Cross multiply
    66,776.34x = 100,203.86 × 24,686.17
  4. Step 4: Simplify right side
    66,776.34x = 2,473,649,522.62
  5. Step 5: Solve for x
    x = 2,473,649,522.62/66,776.34
  6. Step 6: Final answer
    x = 37,043.80

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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.