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Finding the Fourth Proportional to 38,796.60, 53,532.86 and 22,878.84

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Solution

The fourth proportional to 38,796.60, 53,532.86 and 22,878.84 is: 31,569.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,796.60 : 53,532.86 = 22,878.84 : x
  2. Step 2: Convert to fraction form
    38,796.60/53,532.86 = 22,878.84/x
  3. Step 3: Cross multiply
    38,796.60x = 53,532.86 × 22,878.84
  4. Step 4: Simplify right side
    38,796.60x = 1,224,769,738.68
  5. Step 5: Solve for x
    x = 1,224,769,738.68/38,796.60
  6. Step 6: Final answer
    x = 31,569.00

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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.