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Finding the Fourth Proportional to 8,700.43, 12,006.48 and 4,924.34

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Solution

The fourth proportional to 8,700.43, 12,006.48 and 4,924.34 is: 6,795.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.43 : 12,006.48 = 4,924.34 : x
  2. Step 2: Convert to fraction form
    8,700.43/12,006.48 = 4,924.34/x
  3. Step 3: Cross multiply
    8,700.43x = 12,006.48 × 4,924.34
  4. Step 4: Simplify right side
    8,700.43x = 59,124,033.02
  5. Step 5: Solve for x
    x = 59,124,033.02/8,700.43
  6. Step 6: Final answer
    x = 6,795.53

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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.