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Finding the Fourth Proportional to 19,322.44, 26,666.66 and 10,824.44

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Solution

The fourth proportional to 19,322.44, 26,666.66 and 10,824.44 is: 14,938.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,322.44 : 26,666.66 = 10,824.44 : x
  2. Step 2: Convert to fraction form
    19,322.44/26,666.66 = 10,824.44/x
  3. Step 3: Cross multiply
    19,322.44x = 26,666.66 × 10,824.44
  4. Step 4: Simplify right side
    19,322.44x = 288,651,661.17
  5. Step 5: Solve for x
    x = 288,651,661.17/19,322.44
  6. Step 6: Final answer
    x = 14,938.68

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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.