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Finding the Fourth Proportional to 1,925.17, 2,887.87 and 608.96

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Solution

The fourth proportional to 1,925.17, 2,887.87 and 608.96 is: 913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,925.17 : 2,887.87 = 608.96 : x
  2. Step 2: Convert to fraction form
    1,925.17/2,887.87 = 608.96/x
  3. Step 3: Cross multiply
    1,925.17x = 2,887.87 × 608.96
  4. Step 4: Simplify right side
    1,925.17x = 1,758,597.32
  5. Step 5: Solve for x
    x = 1,758,597.32/1,925.17
  6. Step 6: Final answer
    x = 913.48

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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.