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Finding the Fourth Proportional to 1,034.74, 1,544.51 and 948.16

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Solution

The fourth proportional to 1,034.74, 1,544.51 and 948.16 is: 1,415.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.74 : 1,544.51 = 948.16 : x
  2. Step 2: Convert to fraction form
    1,034.74/1,544.51 = 948.16/x
  3. Step 3: Cross multiply
    1,034.74x = 1,544.51 × 948.16
  4. Step 4: Simplify right side
    1,034.74x = 1,464,442.60
  5. Step 5: Solve for x
    x = 1,464,442.60/1,034.74
  6. Step 6: Final answer
    x = 1,415.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.