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Finding the Fourth Proportional to 24,443.64, 36,636.12 and 12,603.06

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Solution

The fourth proportional to 24,443.64, 36,636.12 and 12,603.06 is: 18,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,443.64 : 36,636.12 = 12,603.06 : x
  2. Step 2: Convert to fraction form
    24,443.64/36,636.12 = 12,603.06/x
  3. Step 3: Cross multiply
    24,443.64x = 36,636.12 × 12,603.06
  4. Step 4: Simplify right side
    24,443.64x = 461,727,218.53
  5. Step 5: Solve for x
    x = 461,727,218.53/24,443.64
  6. Step 6: Final answer
    x = 18,889.46

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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.