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Finding the Fourth Proportional to 59,391.84, 89,088.66 and 19,949.28

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Solution

The fourth proportional to 59,391.84, 89,088.66 and 19,949.28 is: 29,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,391.84 : 89,088.66 = 19,949.28 : x
  2. Step 2: Convert to fraction form
    59,391.84/89,088.66 = 19,949.28/x
  3. Step 3: Cross multiply
    59,391.84x = 89,088.66 × 19,949.28
  4. Step 4: Simplify right side
    59,391.84x = 1,777,254,623.16
  5. Step 5: Solve for x
    x = 1,777,254,623.16/59,391.84
  6. Step 6: Final answer
    x = 29,924.22

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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.