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Finding the Fourth Proportional to 7,063.90, 9,748.30 and 3,877.49

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Solution

The fourth proportional to 7,063.90, 9,748.30 and 3,877.49 is: 5,351.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,063.90 : 9,748.30 = 3,877.49 : x
  2. Step 2: Convert to fraction form
    7,063.90/9,748.30 = 3,877.49/x
  3. Step 3: Cross multiply
    7,063.90x = 9,748.30 × 3,877.49
  4. Step 4: Simplify right side
    7,063.90x = 37,798,950.44
  5. Step 5: Solve for x
    x = 37,798,950.44/7,063.90
  6. Step 6: Final answer
    x = 5,351.00

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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.