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Finding the Fourth Proportional to 24,009.90, 35,968.95 and 12,912.90

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Solution

The fourth proportional to 24,009.90, 35,968.95 and 12,912.90 is: 19,344.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,009.90 : 35,968.95 = 12,912.90 : x
  2. Step 2: Convert to fraction form
    24,009.90/35,968.95 = 12,912.90/x
  3. Step 3: Cross multiply
    24,009.90x = 35,968.95 × 12,912.90
  4. Step 4: Simplify right side
    24,009.90x = 464,463,454.46
  5. Step 5: Solve for x
    x = 464,463,454.46/24,009.90
  6. Step 6: Final answer
    x = 19,344.66

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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.