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Finding the Fourth Proportional to 39,699.60, 54,783.60 and 23,792.88

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Solution

The fourth proportional to 39,699.60, 54,783.60 and 23,792.88 is: 32,833.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,699.60 : 54,783.60 = 23,792.88 : x
  2. Step 2: Convert to fraction form
    39,699.60/54,783.60 = 23,792.88/x
  3. Step 3: Cross multiply
    39,699.60x = 54,783.60 × 23,792.88
  4. Step 4: Simplify right side
    39,699.60x = 1,303,459,620.77
  5. Step 5: Solve for x
    x = 1,303,459,620.77/39,699.60
  6. Step 6: Final answer
    x = 32,833.07

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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.