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Finding the Fourth Proportional to 15,312.08, 22,968.08 and 5,451.74

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Solution

The fourth proportional to 15,312.08, 22,968.08 and 5,451.74 is: 8,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,312.08 : 22,968.08 = 5,451.74 : x
  2. Step 2: Convert to fraction form
    15,312.08/22,968.08 = 5,451.74/x
  3. Step 3: Cross multiply
    15,312.08x = 22,968.08 × 5,451.74
  4. Step 4: Simplify right side
    15,312.08x = 125,216,000.46
  5. Step 5: Solve for x
    x = 125,216,000.46/15,312.08
  6. Step 6: Final answer
    x = 8,177.60

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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.