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Finding the Fourth Proportional to 22,265.65, 33,400.95 and 7,475.59

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Solution

The fourth proportional to 22,265.65, 33,400.95 and 7,475.59 is: 11,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,265.65 : 33,400.95 = 7,475.59 : x
  2. Step 2: Convert to fraction form
    22,265.65/33,400.95 = 7,475.59/x
  3. Step 3: Cross multiply
    22,265.65x = 33,400.95 × 7,475.59
  4. Step 4: Simplify right side
    22,265.65x = 249,691,807.81
  5. Step 5: Solve for x
    x = 249,691,807.81/22,265.65
  6. Step 6: Final answer
    x = 11,214.22

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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.