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Finding the Fourth Proportional to 59,176, 88,802.84 and 21,736.40

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Solution

The fourth proportional to 59,176, 88,802.84 and 21,736.40 is: 32,618.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,176 : 88,802.84 = 21,736.40 : x
  2. Step 2: Convert to fraction form
    59,176/88,802.84 = 21,736.40/x
  3. Step 3: Cross multiply
    59,176x = 88,802.84 × 21,736.40
  4. Step 4: Simplify right side
    59,176x = 1,930,254,051.38
  5. Step 5: Solve for x
    x = 1,930,254,051.38/59,176
  6. Step 6: Final answer
    x = 32,618.87

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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.