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Finding the Fourth Proportional to 22,364.65, 30,864.81 and 14,797.77

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Solution

The fourth proportional to 22,364.65, 30,864.81 and 14,797.77 is: 20,421.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,364.65 : 30,864.81 = 14,797.77 : x
  2. Step 2: Convert to fraction form
    22,364.65/30,864.81 = 14,797.77/x
  3. Step 3: Cross multiply
    22,364.65x = 30,864.81 × 14,797.77
  4. Step 4: Simplify right side
    22,364.65x = 456,730,359.47
  5. Step 5: Solve for x
    x = 456,730,359.47/22,364.65
  6. Step 6: Final answer
    x = 20,421.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.