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Finding the Fourth Proportional to 39,339.60, 59,009.40 and 35,451.60

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Solution

The fourth proportional to 39,339.60, 59,009.40 and 35,451.60 is: 53,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,339.60 : 59,009.40 = 35,451.60 : x
  2. Step 2: Convert to fraction form
    39,339.60/59,009.40 = 35,451.60/x
  3. Step 3: Cross multiply
    39,339.60x = 59,009.40 × 35,451.60
  4. Step 4: Simplify right side
    39,339.60x = 2,091,977,645.04
  5. Step 5: Solve for x
    x = 2,091,977,645.04/39,339.60
  6. Step 6: Final answer
    x = 53,177.40

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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.