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Finding the Fourth Proportional to 5,527.79, 8,280.58 and 2,746.05

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Solution

The fourth proportional to 5,527.79, 8,280.58 and 2,746.05 is: 4,113.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527.79 : 8,280.58 = 2,746.05 : x
  2. Step 2: Convert to fraction form
    5,527.79/8,280.58 = 2,746.05/x
  3. Step 3: Cross multiply
    5,527.79x = 8,280.58 × 2,746.05
  4. Step 4: Simplify right side
    5,527.79x = 22,738,886.71
  5. Step 5: Solve for x
    x = 22,738,886.71/5,527.79
  6. Step 6: Final answer
    x = 4,113.56

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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.