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Finding the Fourth Proportional to 62,808.80, 94,366.80 and 47,256.80

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Solution

The fourth proportional to 62,808.80, 94,366.80 and 47,256.80 is: 71,000.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,808.80 : 94,366.80 = 47,256.80 : x
  2. Step 2: Convert to fraction form
    62,808.80/94,366.80 = 47,256.80/x
  3. Step 3: Cross multiply
    62,808.80x = 94,366.80 × 47,256.80
  4. Step 4: Simplify right side
    62,808.80x = 4,459,472,994.24
  5. Step 5: Solve for x
    x = 4,459,472,994.24/62,808.80
  6. Step 6: Final answer
    x = 71,000.77

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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.