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Finding the Fourth Proportional to 1,032.34, 1,541.84 and 934.64

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Solution

The fourth proportional to 1,032.34, 1,541.84 and 934.64 is: 1,395.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.34 : 1,541.84 = 934.64 : x
  2. Step 2: Convert to fraction form
    1,032.34/1,541.84 = 934.64/x
  3. Step 3: Cross multiply
    1,032.34x = 1,541.84 × 934.64
  4. Step 4: Simplify right side
    1,032.34x = 1,441,065.34
  5. Step 5: Solve for x
    x = 1,441,065.34/1,032.34
  6. Step 6: Final answer
    x = 1,395.92

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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.