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Finding the Fourth Proportional to 59,803.84, 89,569.44 and 28,661.12

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Solution

The fourth proportional to 59,803.84, 89,569.44 and 28,661.12 is: 42,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,803.84 : 89,569.44 = 28,661.12 : x
  2. Step 2: Convert to fraction form
    59,803.84/89,569.44 = 28,661.12/x
  3. Step 3: Cross multiply
    59,803.84x = 89,569.44 × 28,661.12
  4. Step 4: Simplify right side
    59,803.84x = 2,567,160,468.17
  5. Step 5: Solve for x
    x = 2,567,160,468.17/59,803.84
  6. Step 6: Final answer
    x = 42,926.35

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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.