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Finding the Fourth Proportional to 1,009.34, 1,510.38 and 732.01

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Solution

The fourth proportional to 1,009.34, 1,510.38 and 732.01 is: 1,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009.34 : 1,510.38 = 732.01 : x
  2. Step 2: Convert to fraction form
    1,009.34/1,510.38 = 732.01/x
  3. Step 3: Cross multiply
    1,009.34x = 1,510.38 × 732.01
  4. Step 4: Simplify right side
    1,009.34x = 1,105,605.71
  5. Step 5: Solve for x
    x = 1,105,605.71/1,009.34
  6. Step 6: Final answer
    x = 1,095.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.