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Finding the Fourth Proportional to 24,002.40, 35,987.40 and 12,759.60

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Solution

The fourth proportional to 24,002.40, 35,987.40 and 12,759.60 is: 19,130.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,002.40 : 35,987.40 = 12,759.60 : x
  2. Step 2: Convert to fraction form
    24,002.40/35,987.40 = 12,759.60/x
  3. Step 3: Cross multiply
    24,002.40x = 35,987.40 × 12,759.60
  4. Step 4: Simplify right side
    24,002.40x = 459,184,829.04
  5. Step 5: Solve for x
    x = 459,184,829.04/24,002.40
  6. Step 6: Final answer
    x = 19,130.79

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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.