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Finding the Fourth Proportional to 8,712.98, 12,024.17 and 4,734.35

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Solution

The fourth proportional to 8,712.98, 12,024.17 and 4,734.35 is: 6,533.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.98 : 12,024.17 = 4,734.35 : x
  2. Step 2: Convert to fraction form
    8,712.98/12,024.17 = 4,734.35/x
  3. Step 3: Cross multiply
    8,712.98x = 12,024.17 × 4,734.35
  4. Step 4: Simplify right side
    8,712.98x = 56,926,629.24
  5. Step 5: Solve for x
    x = 56,926,629.24/8,712.98
  6. Step 6: Final answer
    x = 6,533.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.