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Finding the Fourth Proportional to 1,460.52, 2,186.46 and 881.64

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Solution

The fourth proportional to 1,460.52, 2,186.46 and 881.64 is: 1,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.52 : 2,186.46 = 881.64 : x
  2. Step 2: Convert to fraction form
    1,460.52/2,186.46 = 881.64/x
  3. Step 3: Cross multiply
    1,460.52x = 2,186.46 × 881.64
  4. Step 4: Simplify right side
    1,460.52x = 1,927,670.59
  5. Step 5: Solve for x
    x = 1,927,670.59/1,460.52
  6. Step 6: Final answer
    x = 1,319.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.