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Finding the Fourth Proportional to 8,877.48, 13,293.51 and 8,614.74

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Solution

The fourth proportional to 8,877.48, 13,293.51 and 8,614.74 is: 12,900.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.48 : 13,293.51 = 8,614.74 : x
  2. Step 2: Convert to fraction form
    8,877.48/13,293.51 = 8,614.74/x
  3. Step 3: Cross multiply
    8,877.48x = 13,293.51 × 8,614.74
  4. Step 4: Simplify right side
    8,877.48x = 114,520,132.34
  5. Step 5: Solve for x
    x = 114,520,132.34/8,877.48
  6. Step 6: Final answer
    x = 12,900.07

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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.