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Finding the Fourth Proportional to 6,567,486.60, 9,834,641.10 and 4,311,409.80

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Solution

The fourth proportional to 6,567,486.60, 9,834,641.10 and 4,311,409.80 is: 6,456,224.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,567,486.60 : 9,834,641.10 = 4,311,409.80 : x
  2. Step 2: Convert to fraction form
    6,567,486.60/9,834,641.10 = 4,311,409.80/x
  3. Step 3: Cross multiply
    6,567,486.60x = 9,834,641.10 × 4,311,409.80
  4. Step 4: Simplify right side
    6,567,486.60x = 42,401,168,018,022.77
  5. Step 5: Solve for x
    x = 42,401,168,018,022.77/6,567,486.60
  6. Step 6: Final answer
    x = 6,456,224.52

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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.