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Finding the Fourth Proportional to 39,875.60, 59,784.60 and 22,350.80

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Solution

The fourth proportional to 39,875.60, 59,784.60 and 22,350.80 is: 33,510.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,875.60 : 59,784.60 = 22,350.80 : x
  2. Step 2: Convert to fraction form
    39,875.60/59,784.60 = 22,350.80/x
  3. Step 3: Cross multiply
    39,875.60x = 59,784.60 × 22,350.80
  4. Step 4: Simplify right side
    39,875.60x = 1,336,233,637.68
  5. Step 5: Solve for x
    x = 1,336,233,637.68/39,875.60
  6. Step 6: Final answer
    x = 33,510.06

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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.