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Finding the Fourth Proportional to 1,060.44, 1,458.45 and 929.22

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Solution

The fourth proportional to 1,060.44, 1,458.45 and 929.22 is: 1,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.44 : 1,458.45 = 929.22 : x
  2. Step 2: Convert to fraction form
    1,060.44/1,458.45 = 929.22/x
  3. Step 3: Cross multiply
    1,060.44x = 1,458.45 × 929.22
  4. Step 4: Simplify right side
    1,060.44x = 1,355,220.91
  5. Step 5: Solve for x
    x = 1,355,220.91/1,060.44
  6. Step 6: Final answer
    x = 1,277.98

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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.