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Finding the Fourth Proportional to 8,877.37, 13,293.30 and 8,614.60

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Solution

The fourth proportional to 8,877.37, 13,293.30 and 8,614.60 is: 12,899.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.37 : 13,293.30 = 8,614.60 : x
  2. Step 2: Convert to fraction form
    8,877.37/13,293.30 = 8,614.60/x
  3. Step 3: Cross multiply
    8,877.37x = 13,293.30 × 8,614.60
  4. Step 4: Simplify right side
    8,877.37x = 114,516,462.18
  5. Step 5: Solve for x
    x = 114,516,462.18/8,877.37
  6. Step 6: Final answer
    x = 12,899.82

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1.5x scale

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.