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Finding the Fourth Proportional to 59,416.84, 89,120.91 and 21,959.45

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Solution

The fourth proportional to 59,416.84, 89,120.91 and 21,959.45 is: 32,937.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,416.84 : 89,120.91 = 21,959.45 : x
  2. Step 2: Convert to fraction form
    59,416.84/89,120.91 = 21,959.45/x
  3. Step 3: Cross multiply
    59,416.84x = 89,120.91 × 21,959.45
  4. Step 4: Simplify right side
    59,416.84x = 1,957,046,167.10
  5. Step 5: Solve for x
    x = 1,957,046,167.10/59,416.84
  6. Step 6: Final answer
    x = 32,937.57

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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.