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Finding the Fourth Proportional to 38,897.61, 53,679.98 and 23,796.98

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Solution

The fourth proportional to 38,897.61, 53,679.98 and 23,796.98 is: 32,840.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,897.61 : 53,679.98 = 23,796.98 : x
  2. Step 2: Convert to fraction form
    38,897.61/53,679.98 = 23,796.98/x
  3. Step 3: Cross multiply
    38,897.61x = 53,679.98 × 23,796.98
  4. Step 4: Simplify right side
    38,897.61x = 1,277,421,410.46
  5. Step 5: Solve for x
    x = 1,277,421,410.46/38,897.61
  6. Step 6: Final answer
    x = 32,840.61

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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.