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Finding the Fourth Proportional to 1,108.84, 1,529.52 and 944.02

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Solution

The fourth proportional to 1,108.84, 1,529.52 and 944.02 is: 1,302.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108.84 : 1,529.52 = 944.02 : x
  2. Step 2: Convert to fraction form
    1,108.84/1,529.52 = 944.02/x
  3. Step 3: Cross multiply
    1,108.84x = 1,529.52 × 944.02
  4. Step 4: Simplify right side
    1,108.84x = 1,443,897.47
  5. Step 5: Solve for x
    x = 1,443,897.47/1,108.84
  6. Step 6: Final answer
    x = 1,302.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.