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Finding the Fourth Proportional to 64,616.68, 96,924.90 and 20,246.83

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Solution

The fourth proportional to 64,616.68, 96,924.90 and 20,246.83 is: 30,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,616.68 : 96,924.90 = 20,246.83 : x
  2. Step 2: Convert to fraction form
    64,616.68/96,924.90 = 20,246.83/x
  3. Step 3: Cross multiply
    64,616.68x = 96,924.90 × 20,246.83
  4. Step 4: Simplify right side
    64,616.68x = 1,962,421,973.07
  5. Step 5: Solve for x
    x = 1,962,421,973.07/64,616.68
  6. Step 6: Final answer
    x = 30,370.21

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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.