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Finding the Fourth Proportional to 56,482.76, 84,665.01 and 19,029.89

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Solution

The fourth proportional to 56,482.76, 84,665.01 and 19,029.89 is: 28,524.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.76 : 84,665.01 = 19,029.89 : x
  2. Step 2: Convert to fraction form
    56,482.76/84,665.01 = 19,029.89/x
  3. Step 3: Cross multiply
    56,482.76x = 84,665.01 × 19,029.89
  4. Step 4: Simplify right side
    56,482.76x = 1,611,165,827.15
  5. Step 5: Solve for x
    x = 1,611,165,827.15/56,482.76
  6. Step 6: Final answer
    x = 28,524.91

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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.