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Finding the Fourth Proportional to 45,452.52, 68,184.72 and 15,878.88

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Solution

The fourth proportional to 45,452.52, 68,184.72 and 15,878.88 is: 23,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,452.52 : 68,184.72 = 15,878.88 : x
  2. Step 2: Convert to fraction form
    45,452.52/68,184.72 = 15,878.88/x
  3. Step 3: Cross multiply
    45,452.52x = 68,184.72 × 15,878.88
  4. Step 4: Simplify right side
    45,452.52x = 1,082,696,986.71
  5. Step 5: Solve for x
    x = 1,082,696,986.71/45,452.52
  6. Step 6: Final answer
    x = 23,820.40

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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.