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Finding the Fourth Proportional to 8,860,808.90, 13,291,213.35 and 8,860,808.90

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Solution

The fourth proportional to 8,860,808.90, 13,291,213.35 and 8,860,808.90 is: 13,291,213.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860,808.90 : 13,291,213.35 = 8,860,808.90 : x
  2. Step 2: Convert to fraction form
    8,860,808.90/13,291,213.35 = 8,860,808.90/x
  3. Step 3: Cross multiply
    8,860,808.90x = 13,291,213.35 × 8,860,808.90
  4. Step 4: Simplify right side
    8,860,808.90x = 117,770,901,543,478.81
  5. Step 5: Solve for x
    x = 117,770,901,543,478.81/8,860,808.90
  6. Step 6: Final answer
    x = 13,291,213.35

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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.