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Finding the Fourth Proportional to 8,777.41, 12,113.64 and 4,799.10

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Solution

The fourth proportional to 8,777.41, 12,113.64 and 4,799.10 is: 6,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.41 : 12,113.64 = 4,799.10 : x
  2. Step 2: Convert to fraction form
    8,777.41/12,113.64 = 4,799.10/x
  3. Step 3: Cross multiply
    8,777.41x = 12,113.64 × 4,799.10
  4. Step 4: Simplify right side
    8,777.41x = 58,134,569.72
  5. Step 5: Solve for x
    x = 58,134,569.72/8,777.41
  6. Step 6: Final answer
    x = 6,623.21

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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.