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Finding the Fourth Proportional to 1,475.48, 2,035.10 and 951

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Solution

The fourth proportional to 1,475.48, 2,035.10 and 951 is: 1,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.48 : 2,035.10 = 951 : x
  2. Step 2: Convert to fraction form
    1,475.48/2,035.10 = 951/x
  3. Step 3: Cross multiply
    1,475.48x = 2,035.10 × 951
  4. Step 4: Simplify right side
    1,475.48x = 1,935,382.48
  5. Step 5: Solve for x
    x = 1,935,382.48/1,475.48
  6. Step 6: Final answer
    x = 1,311.70

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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.