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Finding the Fourth Proportional to 1,924.77, 2,885.24 and 753.17

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Solution

The fourth proportional to 1,924.77, 2,885.24 and 753.17 is: 1,129.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.77 : 2,885.24 = 753.17 : x
  2. Step 2: Convert to fraction form
    1,924.77/2,885.24 = 753.17/x
  3. Step 3: Cross multiply
    1,924.77x = 2,885.24 × 753.17
  4. Step 4: Simplify right side
    1,924.77x = 2,173,058.02
  5. Step 5: Solve for x
    x = 2,173,058.02/1,924.77
  6. Step 6: Final answer
    x = 1,129.00

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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.