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Finding the Fourth Proportional to 39,758.60, 59,637.90 and 29,844.20

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Solution

The fourth proportional to 39,758.60, 59,637.90 and 29,844.20 is: 44,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,758.60 : 59,637.90 = 29,844.20 : x
  2. Step 2: Convert to fraction form
    39,758.60/59,637.90 = 29,844.20/x
  3. Step 3: Cross multiply
    39,758.60x = 59,637.90 × 29,844.20
  4. Step 4: Simplify right side
    39,758.60x = 1,779,845,415.18
  5. Step 5: Solve for x
    x = 1,779,845,415.18/39,758.60
  6. Step 6: Final answer
    x = 44,766.30

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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.