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Finding the Fourth Proportional to 1,094.92, 1,511 and 653.02

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Solution

The fourth proportional to 1,094.92, 1,511 and 653.02 is: 901.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.92 : 1,511 = 653.02 : x
  2. Step 2: Convert to fraction form
    1,094.92/1,511 = 653.02/x
  3. Step 3: Cross multiply
    1,094.92x = 1,511 × 653.02
  4. Step 4: Simplify right side
    1,094.92x = 986,713.22
  5. Step 5: Solve for x
    x = 986,713.22/1,094.92
  6. Step 6: Final answer
    x = 901.17

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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.