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Finding the Fourth Proportional to 24,698.80, 37,051.40 and 12,225.20

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Solution

The fourth proportional to 24,698.80, 37,051.40 and 12,225.20 is: 18,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,698.80 : 37,051.40 = 12,225.20 : x
  2. Step 2: Convert to fraction form
    24,698.80/37,051.40 = 12,225.20/x
  3. Step 3: Cross multiply
    24,698.80x = 37,051.40 × 12,225.20
  4. Step 4: Simplify right side
    24,698.80x = 452,960,775.28
  5. Step 5: Solve for x
    x = 452,960,775.28/24,698.80
  6. Step 6: Final answer
    x = 18,339.38

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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.