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Finding the Fourth Proportional to 9,326.60, 13,981.11 and 4,642.19

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Solution

The fourth proportional to 9,326.60, 13,981.11 and 4,642.19 is: 6,958.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.60 : 13,981.11 = 4,642.19 : x
  2. Step 2: Convert to fraction form
    9,326.60/13,981.11 = 4,642.19/x
  3. Step 3: Cross multiply
    9,326.60x = 13,981.11 × 4,642.19
  4. Step 4: Simplify right side
    9,326.60x = 64,902,907.83
  5. Step 5: Solve for x
    x = 64,902,907.83/9,326.60
  6. Step 6: Final answer
    x = 6,958.90

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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.