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Finding the Fourth Proportional to 2,041.45, 3,060.22 and 653.89

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Solution

The fourth proportional to 2,041.45, 3,060.22 and 653.89 is: 980.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.45 : 3,060.22 = 653.89 : x
  2. Step 2: Convert to fraction form
    2,041.45/3,060.22 = 653.89/x
  3. Step 3: Cross multiply
    2,041.45x = 3,060.22 × 653.89
  4. Step 4: Simplify right side
    2,041.45x = 2,001,031.95
  5. Step 5: Solve for x
    x = 2,001,031.95/2,041.45
  6. Step 6: Final answer
    x = 980.20

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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.