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Finding the Fourth Proportional to 56,482.86, 84,672.45 and 19,520.94

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Solution

The fourth proportional to 56,482.86, 84,672.45 and 19,520.94 is: 29,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,482.86 : 84,672.45 = 19,520.94 : x
  2. Step 2: Convert to fraction form
    56,482.86/84,672.45 = 19,520.94/x
  3. Step 3: Cross multiply
    56,482.86x = 84,672.45 × 19,520.94
  4. Step 4: Simplify right side
    56,482.86x = 1,652,885,718.50
  5. Step 5: Solve for x
    x = 1,652,885,718.50/56,482.86
  6. Step 6: Final answer
    x = 29,263.49

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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.