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Finding the Fourth Proportional to 3,125.01, 4,678.17 and 1,888.67

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Solution

The fourth proportional to 3,125.01, 4,678.17 and 1,888.67 is: 2,827.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.01 : 4,678.17 = 1,888.67 : x
  2. Step 2: Convert to fraction form
    3,125.01/4,678.17 = 1,888.67/x
  3. Step 3: Cross multiply
    3,125.01x = 4,678.17 × 1,888.67
  4. Step 4: Simplify right side
    3,125.01x = 8,835,519.33
  5. Step 5: Solve for x
    x = 8,835,519.33/3,125.01
  6. Step 6: Final answer
    x = 2,827.36

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1.5x scale

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.