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Finding the Fourth Proportional to 8,754.40, 13,133.49 and 4,070.98

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Solution

The fourth proportional to 8,754.40, 13,133.49 and 4,070.98 is: 6,107.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,754.40 : 13,133.49 = 4,070.98 : x
  2. Step 2: Convert to fraction form
    8,754.40/13,133.49 = 4,070.98/x
  3. Step 3: Cross multiply
    8,754.40x = 13,133.49 × 4,070.98
  4. Step 4: Simplify right side
    8,754.40x = 53,466,175.12
  5. Step 5: Solve for x
    x = 53,466,175.12/8,754.40
  6. Step 6: Final answer
    x = 6,107.35

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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.