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Finding the Fourth Proportional to 1,094.31, 1,510.55 and 652.66

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Solution

The fourth proportional to 1,094.31, 1,510.55 and 652.66 is: 900.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.31 : 1,510.55 = 652.66 : x
  2. Step 2: Convert to fraction form
    1,094.31/1,510.55 = 652.66/x
  3. Step 3: Cross multiply
    1,094.31x = 1,510.55 × 652.66
  4. Step 4: Simplify right side
    1,094.31x = 985,870.97
  5. Step 5: Solve for x
    x = 985,870.97/1,094.31
  6. Step 6: Final answer
    x = 900.91

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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.