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Finding the Fourth Proportional to 5,881.74, 8,114.76 and 5,429.76

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Solution

The fourth proportional to 5,881.74, 8,114.76 and 5,429.76 is: 7,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,881.74 : 8,114.76 = 5,429.76 : x
  2. Step 2: Convert to fraction form
    5,881.74/8,114.76 = 5,429.76/x
  3. Step 3: Cross multiply
    5,881.74x = 8,114.76 × 5,429.76
  4. Step 4: Simplify right side
    5,881.74x = 44,061,199.26
  5. Step 5: Solve for x
    x = 44,061,199.26/5,881.74
  6. Step 6: Final answer
    x = 7,491.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.