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Finding the Fourth Proportional to 73,897.58, 110,862.79 and 21,302.96

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Solution

The fourth proportional to 73,897.58, 110,862.79 and 21,302.96 is: 31,959.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,897.58 : 110,862.79 = 21,302.96 : x
  2. Step 2: Convert to fraction form
    73,897.58/110,862.79 = 21,302.96/x
  3. Step 3: Cross multiply
    73,897.58x = 110,862.79 × 21,302.96
  4. Step 4: Simplify right side
    73,897.58x = 2,361,705,580.86
  5. Step 5: Solve for x
    x = 2,361,705,580.86/73,897.58
  6. Step 6: Final answer
    x = 31,959.17

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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.