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Finding the Fourth Proportional to 5,937.88, 8,900.61 and 1,988.14

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Solution

The fourth proportional to 5,937.88, 8,900.61 and 1,988.14 is: 2,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,937.88 : 8,900.61 = 1,988.14 : x
  2. Step 2: Convert to fraction form
    5,937.88/8,900.61 = 1,988.14/x
  3. Step 3: Cross multiply
    5,937.88x = 8,900.61 × 1,988.14
  4. Step 4: Simplify right side
    5,937.88x = 17,695,658.77
  5. Step 5: Solve for x
    x = 17,695,658.77/5,937.88
  6. Step 6: Final answer
    x = 2,980.13

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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.