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Finding the Fourth Proportional to 24,335.76, 33,543.84 and 19,021.20

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Solution

The fourth proportional to 24,335.76, 33,543.84 and 19,021.20 is: 26,218.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,335.76 : 33,543.84 = 19,021.20 : x
  2. Step 2: Convert to fraction form
    24,335.76/33,543.84 = 19,021.20/x
  3. Step 3: Cross multiply
    24,335.76x = 33,543.84 × 19,021.20
  4. Step 4: Simplify right side
    24,335.76x = 638,044,089.41
  5. Step 5: Solve for x
    x = 638,044,089.41/24,335.76
  6. Step 6: Final answer
    x = 26,218.38

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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.