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Finding the Fourth Proportional to 1,460.40, 2,016.18 and 962.85

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Solution

The fourth proportional to 1,460.40, 2,016.18 and 962.85 is: 1,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.40 : 2,016.18 = 962.85 : x
  2. Step 2: Convert to fraction form
    1,460.40/2,016.18 = 962.85/x
  3. Step 3: Cross multiply
    1,460.40x = 2,016.18 × 962.85
  4. Step 4: Simplify right side
    1,460.40x = 1,941,278.91
  5. Step 5: Solve for x
    x = 1,941,278.91/1,460.40
  6. Step 6: Final answer
    x = 1,329.28

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1.5x scale

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.