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Finding the Fourth Proportional to 14,918.98, 22,378.47 and 7,104.10

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Solution

The fourth proportional to 14,918.98, 22,378.47 and 7,104.10 is: 10,656.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.98 : 22,378.47 = 7,104.10 : x
  2. Step 2: Convert to fraction form
    14,918.98/22,378.47 = 7,104.10/x
  3. Step 3: Cross multiply
    14,918.98x = 22,378.47 × 7,104.10
  4. Step 4: Simplify right side
    14,918.98x = 158,978,888.73
  5. Step 5: Solve for x
    x = 158,978,888.73/14,918.98
  6. Step 6: Final answer
    x = 10,656.15

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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.