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Finding the Fourth Proportional to 56,482.36, 84,671.70 and 19,520.44

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Solution

The fourth proportional to 56,482.36, 84,671.70 and 19,520.44 is: 29,262.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.36 : 84,671.70 = 19,520.44 : x
  2. Step 2: Convert to fraction form
    56,482.36/84,671.70 = 19,520.44/x
  3. Step 3: Cross multiply
    56,482.36x = 84,671.70 × 19,520.44
  4. Step 4: Simplify right side
    56,482.36x = 1,652,828,554.67
  5. Step 5: Solve for x
    x = 1,652,828,554.67/56,482.36
  6. Step 6: Final answer
    x = 29,262.74

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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.