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Finding the Fourth Proportional to 8,830.60, 13,224.30 and 8,830.60

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Solution

The fourth proportional to 8,830.60, 13,224.30 and 8,830.60 is: 13,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.60 : 13,224.30 = 8,830.60 : x
  2. Step 2: Convert to fraction form
    8,830.60/13,224.30 = 8,830.60/x
  3. Step 3: Cross multiply
    8,830.60x = 13,224.30 × 8,830.60
  4. Step 4: Simplify right side
    8,830.60x = 116,778,503.58
  5. Step 5: Solve for x
    x = 116,778,503.58/8,830.60
  6. Step 6: Final answer
    x = 13,224.30

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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.