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Finding the Fourth Proportional to 7,373.80, 11,060.70 and 5,300.20

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Solution

The fourth proportional to 7,373.80, 11,060.70 and 5,300.20 is: 7,950.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,373.80 : 11,060.70 = 5,300.20 : x
  2. Step 2: Convert to fraction form
    7,373.80/11,060.70 = 5,300.20/x
  3. Step 3: Cross multiply
    7,373.80x = 11,060.70 × 5,300.20
  4. Step 4: Simplify right side
    7,373.80x = 58,623,922.14
  5. Step 5: Solve for x
    x = 58,623,922.14/7,373.80
  6. Step 6: Final answer
    x = 7,950.30

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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.