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Finding the Fourth Proportional to 8,889,728.55, 13,334,592.83 and 6,019,947.15

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Solution

The fourth proportional to 8,889,728.55, 13,334,592.83 and 6,019,947.15 is: 9,029,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889,728.55 : 13,334,592.83 = 6,019,947.15 : x
  2. Step 2: Convert to fraction form
    8,889,728.55/13,334,592.83 = 6,019,947.15/x
  3. Step 3: Cross multiply
    8,889,728.55x = 13,334,592.83 × 6,019,947.15
  4. Step 4: Simplify right side
    8,889,728.55x = 80,273,544,103,368.94
  5. Step 5: Solve for x
    x = 80,273,544,103,368.94/8,889,728.55
  6. Step 6: Final answer
    x = 9,029,920.73

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Double scale
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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.