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Finding the Fourth Proportional to 8,870,999.55, 13,306,499.33 and 8,870,999.55

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Solution

The fourth proportional to 8,870,999.55, 13,306,499.33 and 8,870,999.55 is: 13,306,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,870,999.55 : 13,306,499.33 = 8,870,999.55 : x
  2. Step 2: Convert to fraction form
    8,870,999.55/13,306,499.33 = 8,870,999.55/x
  3. Step 3: Cross multiply
    8,870,999.55x = 13,306,499.33 × 8,870,999.55
  4. Step 4: Simplify right side
    8,870,999.55x = 118,041,949,524,150.31
  5. Step 5: Solve for x
    x = 118,041,949,524,150.31/8,870,999.55
  6. Step 6: Final answer
    x = 13,306,499.33

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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.