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Finding the Fourth Proportional to 1,032.06, 1,548.23 and 545.16

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Solution

The fourth proportional to 1,032.06, 1,548.23 and 545.16 is: 817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.06 : 1,548.23 = 545.16 : x
  2. Step 2: Convert to fraction form
    1,032.06/1,548.23 = 545.16/x
  3. Step 3: Cross multiply
    1,032.06x = 1,548.23 × 545.16
  4. Step 4: Simplify right side
    1,032.06x = 844,030.34
  5. Step 5: Solve for x
    x = 844,030.34/1,032.06
  6. Step 6: Final answer
    x = 817.81

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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.