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Finding the Fourth Proportional to 3,114.59, 4,670.19 and 1,471.50

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Solution

The fourth proportional to 3,114.59, 4,670.19 and 1,471.50 is: 2,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.59 : 4,670.19 = 1,471.50 : x
  2. Step 2: Convert to fraction form
    3,114.59/4,670.19 = 1,471.50/x
  3. Step 3: Cross multiply
    3,114.59x = 4,670.19 × 1,471.50
  4. Step 4: Simplify right side
    3,114.59x = 6,872,184.59
  5. Step 5: Solve for x
    x = 6,872,184.59/3,114.59
  6. Step 6: Final answer
    x = 2,206.45

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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.