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Finding the Fourth Proportional to 1,339.47, 1,848.49 and 750.00

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Solution

The fourth proportional to 1,339.47, 1,848.49 and 750.00 is: 1,035.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339.47 : 1,848.49 = 750.00 : x
  2. Step 2: Convert to fraction form
    1,339.47/1,848.49 = 750.00/x
  3. Step 3: Cross multiply
    1,339.47x = 1,848.49 × 750.00
  4. Step 4: Simplify right side
    1,339.47x = 1,386,376.78
  5. Step 5: Solve for x
    x = 1,386,376.78/1,339.47
  6. Step 6: Final answer
    x = 1,035.02

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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.