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Finding the Fourth Proportional to 1,341.90, 1,848.35 and 948.24

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Solution

The fourth proportional to 1,341.90, 1,848.35 and 948.24 is: 1,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.90 : 1,848.35 = 948.24 : x
  2. Step 2: Convert to fraction form
    1,341.90/1,848.35 = 948.24/x
  3. Step 3: Cross multiply
    1,341.90x = 1,848.35 × 948.24
  4. Step 4: Simplify right side
    1,341.90x = 1,752,679.40
  5. Step 5: Solve for x
    x = 1,752,679.40/1,341.90
  6. Step 6: Final answer
    x = 1,306.12

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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.