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Finding the Fourth Proportional to 1,475.76, 2,036.13 and 952.11

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Solution

The fourth proportional to 1,475.76, 2,036.13 and 952.11 is: 1,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475.76 : 2,036.13 = 952.11 : x
  2. Step 2: Convert to fraction form
    1,475.76/2,036.13 = 952.11/x
  3. Step 3: Cross multiply
    1,475.76x = 2,036.13 × 952.11
  4. Step 4: Simplify right side
    1,475.76x = 1,938,619.73
  5. Step 5: Solve for x
    x = 1,938,619.73/1,475.76
  6. Step 6: Final answer
    x = 1,313.64

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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.