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Finding the Fourth Proportional to 15,176.55, 22,749.94 and 7,276.83

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Solution

The fourth proportional to 15,176.55, 22,749.94 and 7,276.83 is: 10,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,176.55 : 22,749.94 = 7,276.83 : x
  2. Step 2: Convert to fraction form
    15,176.55/22,749.94 = 7,276.83/x
  3. Step 3: Cross multiply
    15,176.55x = 22,749.94 × 7,276.83
  4. Step 4: Simplify right side
    15,176.55x = 165,547,445.89
  5. Step 5: Solve for x
    x = 165,547,445.89/15,176.55
  6. Step 6: Final answer
    x = 10,908.11

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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.