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Finding the Fourth Proportional to 38,896.61, 53,678.60 and 23,795.98

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Solution

The fourth proportional to 38,896.61, 53,678.60 and 23,795.98 is: 32,839.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,896.61 : 53,678.60 = 23,795.98 : x
  2. Step 2: Convert to fraction form
    38,896.61/53,678.60 = 23,795.98/x
  3. Step 3: Cross multiply
    38,896.61x = 53,678.60 × 23,795.98
  4. Step 4: Simplify right side
    38,896.61x = 1,277,334,728.09
  5. Step 5: Solve for x
    x = 1,277,334,728.09/38,896.61
  6. Step 6: Final answer
    x = 32,839.23

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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.