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Finding the Fourth Proportional to 22,338.60, 30,828.06 and 14,798.04

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Solution

The fourth proportional to 22,338.60, 30,828.06 and 14,798.04 is: 20,421.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,338.60 : 30,828.06 = 14,798.04 : x
  2. Step 2: Convert to fraction form
    22,338.60/30,828.06 = 14,798.04/x
  3. Step 3: Cross multiply
    22,338.60x = 30,828.06 × 14,798.04
  4. Step 4: Simplify right side
    22,338.60x = 456,194,865.00
  5. Step 5: Solve for x
    x = 456,194,865.00/22,338.60
  6. Step 6: Final answer
    x = 20,421.82

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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.