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Finding the Fourth Proportional to 1,732.17, 2,597.71 and 561.93

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Solution

The fourth proportional to 1,732.17, 2,597.71 and 561.93 is: 842.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,732.17 : 2,597.71 = 561.93 : x
  2. Step 2: Convert to fraction form
    1,732.17/2,597.71 = 561.93/x
  3. Step 3: Cross multiply
    1,732.17x = 2,597.71 × 561.93
  4. Step 4: Simplify right side
    1,732.17x = 1,459,731.18
  5. Step 5: Solve for x
    x = 1,459,731.18/1,732.17
  6. Step 6: Final answer
    x = 842.72

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Why These Related Problems?

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