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Finding the Fourth Proportional to 53,159.79, 79,728.69 and 23,558.73

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Solution

The fourth proportional to 53,159.79, 79,728.69 and 23,558.73 is: 35,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,159.79 : 79,728.69 = 23,558.73 : x
  2. Step 2: Convert to fraction form
    53,159.79/79,728.69 = 23,558.73/x
  3. Step 3: Cross multiply
    53,159.79x = 79,728.69 × 23,558.73
  4. Step 4: Simplify right side
    53,159.79x = 1,878,306,680.96
  5. Step 5: Solve for x
    x = 1,878,306,680.96/53,159.79
  6. Step 6: Final answer
    x = 35,333.22

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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.