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Finding the Fourth Proportional to 6,897.80, 10,344.80 and 3,001.34

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Solution

The fourth proportional to 6,897.80, 10,344.80 and 3,001.34 is: 4,501.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897.80 : 10,344.80 = 3,001.34 : x
  2. Step 2: Convert to fraction form
    6,897.80/10,344.80 = 3,001.34/x
  3. Step 3: Cross multiply
    6,897.80x = 10,344.80 × 3,001.34
  4. Step 4: Simplify right side
    6,897.80x = 31,048,262.03
  5. Step 5: Solve for x
    x = 31,048,262.03/6,897.80
  6. Step 6: Final answer
    x = 4,501.18

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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.