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Finding the Fourth Proportional to 12,498.47, 18,756.93 and 5,924.68

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Solution

The fourth proportional to 12,498.47, 18,756.93 and 5,924.68 is: 8,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,498.47 : 18,756.93 = 5,924.68 : x
  2. Step 2: Convert to fraction form
    12,498.47/18,756.93 = 5,924.68/x
  3. Step 3: Cross multiply
    12,498.47x = 18,756.93 × 5,924.68
  4. Step 4: Simplify right side
    12,498.47x = 111,128,783.36
  5. Step 5: Solve for x
    x = 111,128,783.36/12,498.47
  6. Step 6: Final answer
    x = 8,891.39

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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.