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Finding the Fourth Proportional to 1,124.01, 1,685.99 and 951.77

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Solution

The fourth proportional to 1,124.01, 1,685.99 and 951.77 is: 1,427.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124.01 : 1,685.99 = 951.77 : x
  2. Step 2: Convert to fraction form
    1,124.01/1,685.99 = 951.77/x
  3. Step 3: Cross multiply
    1,124.01x = 1,685.99 × 951.77
  4. Step 4: Simplify right side
    1,124.01x = 1,604,681.30
  5. Step 5: Solve for x
    x = 1,604,681.30/1,124.01
  6. Step 6: Final answer
    x = 1,427.64

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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.