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Finding the Fourth Proportional to 1,492, 2,059.24 and 862.93

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Solution

The fourth proportional to 1,492, 2,059.24 and 862.93 is: 1,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492 : 2,059.24 = 862.93 : x
  2. Step 2: Convert to fraction form
    1,492/2,059.24 = 862.93/x
  3. Step 3: Cross multiply
    1,492x = 2,059.24 × 862.93
  4. Step 4: Simplify right side
    1,492x = 1,776,979.97
  5. Step 5: Solve for x
    x = 1,776,979.97/1,492
  6. Step 6: Final answer
    x = 1,191.01

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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.