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Finding the Fourth Proportional to 1,032.85, 1,549.51 and 570.52

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Solution

The fourth proportional to 1,032.85, 1,549.51 and 570.52 is: 855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.85 : 1,549.51 = 570.52 : x
  2. Step 2: Convert to fraction form
    1,032.85/1,549.51 = 570.52/x
  3. Step 3: Cross multiply
    1,032.85x = 1,549.51 × 570.52
  4. Step 4: Simplify right side
    1,032.85x = 884,018.70
  5. Step 5: Solve for x
    x = 884,018.70/1,032.85
  6. Step 6: Final answer
    x = 855.91

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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.