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Finding the Fourth Proportional to 1,094.18, 1,510.29 and 716.13

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Solution

The fourth proportional to 1,094.18, 1,510.29 and 716.13 is: 988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.18 : 1,510.29 = 716.13 : x
  2. Step 2: Convert to fraction form
    1,094.18/1,510.29 = 716.13/x
  3. Step 3: Cross multiply
    1,094.18x = 1,510.29 × 716.13
  4. Step 4: Simplify right side
    1,094.18x = 1,081,563.98
  5. Step 5: Solve for x
    x = 1,081,563.98/1,094.18
  6. Step 6: Final answer
    x = 988.47

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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.