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Finding the Fourth Proportional to 1,070.42, 1,597.93 and 932.00

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Solution

The fourth proportional to 1,070.42, 1,597.93 and 932.00 is: 1,391.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070.42 : 1,597.93 = 932.00 : x
  2. Step 2: Convert to fraction form
    1,070.42/1,597.93 = 932.00/x
  3. Step 3: Cross multiply
    1,070.42x = 1,597.93 × 932.00
  4. Step 4: Simplify right side
    1,070.42x = 1,489,260.44
  5. Step 5: Solve for x
    x = 1,489,260.44/1,070.42
  6. Step 6: Final answer
    x = 1,391.29

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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.