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Finding the Fourth Proportional to 37,059.78, 55,579.80 and 10,404.30

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Solution

The fourth proportional to 37,059.78, 55,579.80 and 10,404.30 is: 15,603.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,059.78 : 55,579.80 = 10,404.30 : x
  2. Step 2: Convert to fraction form
    37,059.78/55,579.80 = 10,404.30/x
  3. Step 3: Cross multiply
    37,059.78x = 55,579.80 × 10,404.30
  4. Step 4: Simplify right side
    37,059.78x = 578,268,913.14
  5. Step 5: Solve for x
    x = 578,268,913.14/37,059.78
  6. Step 6: Final answer
    x = 15,603.68

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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.