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Finding the Fourth Proportional to 8,898.60, 13,347.90 and 8,833.80

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Solution

The fourth proportional to 8,898.60, 13,347.90 and 8,833.80 is: 13,250.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,898.60 : 13,347.90 = 8,833.80 : x
  2. Step 2: Convert to fraction form
    8,898.60/13,347.90 = 8,833.80/x
  3. Step 3: Cross multiply
    8,898.60x = 13,347.90 × 8,833.80
  4. Step 4: Simplify right side
    8,898.60x = 117,912,679.02
  5. Step 5: Solve for x
    x = 117,912,679.02/8,898.60
  6. Step 6: Final answer
    x = 13,250.70

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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.