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Finding the Fourth Proportional to 27,505.66, 37,954.66 and 15,404.46

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Solution

The fourth proportional to 27,505.66, 37,954.66 and 15,404.46 is: 21,256.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,505.66 : 37,954.66 = 15,404.46 : x
  2. Step 2: Convert to fraction form
    27,505.66/37,954.66 = 15,404.46/x
  3. Step 3: Cross multiply
    27,505.66x = 37,954.66 × 15,404.46
  4. Step 4: Simplify right side
    27,505.66x = 584,671,041.78
  5. Step 5: Solve for x
    x = 584,671,041.78/27,505.66
  6. Step 6: Final answer
    x = 21,256.39

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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.