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Finding the Fourth Proportional to 22,503.96, 33,758.64 and 7,715.52

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Solution

The fourth proportional to 22,503.96, 33,758.64 and 7,715.52 is: 11,574.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,503.96 : 33,758.64 = 7,715.52 : x
  2. Step 2: Convert to fraction form
    22,503.96/33,758.64 = 7,715.52/x
  3. Step 3: Cross multiply
    22,503.96x = 33,758.64 × 7,715.52
  4. Step 4: Simplify right side
    22,503.96x = 260,465,462.09
  5. Step 5: Solve for x
    x = 260,465,462.09/22,503.96
  6. Step 6: Final answer
    x = 11,574.21

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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.