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Finding the Fourth Proportional to 19,596.60, 29,392.18 and 7,907.10

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Solution

The fourth proportional to 19,596.60, 29,392.18 and 7,907.10 is: 11,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,596.60 : 29,392.18 = 7,907.10 : x
  2. Step 2: Convert to fraction form
    19,596.60/29,392.18 = 7,907.10/x
  3. Step 3: Cross multiply
    19,596.60x = 29,392.18 × 7,907.10
  4. Step 4: Simplify right side
    19,596.60x = 232,406,906.48
  5. Step 5: Solve for x
    x = 232,406,906.48/19,596.60
  6. Step 6: Final answer
    x = 11,859.55

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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.