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Finding the Fourth Proportional to 66,776.40, 100,153.67 and 24,676.19

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Solution

The fourth proportional to 66,776.40, 100,153.67 and 24,676.19 is: 37,010.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,776.40 : 100,153.67 = 24,676.19 : x
  2. Step 2: Convert to fraction form
    66,776.40/100,153.67 = 24,676.19/x
  3. Step 3: Cross multiply
    66,776.40x = 100,153.67 × 24,676.19
  4. Step 4: Simplify right side
    66,776.40x = 2,471,411,304.91
  5. Step 5: Solve for x
    x = 2,471,411,304.91/66,776.40
  6. Step 6: Final answer
    x = 37,010.25

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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.