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Finding the Fourth Proportional to 2,984.03, 4,118.45 and 1,658.16

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Solution

The fourth proportional to 2,984.03, 4,118.45 and 1,658.16 is: 2,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,984.03 : 4,118.45 = 1,658.16 : x
  2. Step 2: Convert to fraction form
    2,984.03/4,118.45 = 1,658.16/x
  3. Step 3: Cross multiply
    2,984.03x = 4,118.45 × 1,658.16
  4. Step 4: Simplify right side
    2,984.03x = 6,829,040.76
  5. Step 5: Solve for x
    x = 6,829,040.76/2,984.03
  6. Step 6: Final answer
    x = 2,288.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.