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Finding the Fourth Proportional to 66,407.34, 99,619.65 and 24,280.86

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Solution

The fourth proportional to 66,407.34, 99,619.65 and 24,280.86 is: 36,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,407.34 : 99,619.65 = 24,280.86 : x
  2. Step 2: Convert to fraction form
    66,407.34/99,619.65 = 24,280.86/x
  3. Step 3: Cross multiply
    66,407.34x = 99,619.65 × 24,280.86
  4. Step 4: Simplify right side
    66,407.34x = 2,418,850,774.90
  5. Step 5: Solve for x
    x = 2,418,850,774.90/66,407.34
  6. Step 6: Final answer
    x = 36,424.45

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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.