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Finding the Fourth Proportional to 37,603.89, 51,889.14 and 21,693.47

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Solution

The fourth proportional to 37,603.89, 51,889.14 and 21,693.47 is: 29,934.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,603.89 : 51,889.14 = 21,693.47 : x
  2. Step 2: Convert to fraction form
    37,603.89/51,889.14 = 21,693.47/x
  3. Step 3: Cross multiply
    37,603.89x = 51,889.14 × 21,693.47
  4. Step 4: Simplify right side
    37,603.89x = 1,125,655,242.47
  5. Step 5: Solve for x
    x = 1,125,655,242.47/37,603.89
  6. Step 6: Final answer
    x = 29,934.54

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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.