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Finding the Fourth Proportional to 8,591,501.85, 12,910,873.29 and 8,029,749.03

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Solution

The fourth proportional to 8,591,501.85, 12,910,873.29 and 8,029,749.03 is: 12,066,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591,501.85 : 12,910,873.29 = 8,029,749.03 : x
  2. Step 2: Convert to fraction form
    8,591,501.85/12,910,873.29 = 8,029,749.03/x
  3. Step 3: Cross multiply
    8,591,501.85x = 12,910,873.29 × 8,029,749.03
  4. Step 4: Simplify right side
    8,591,501.85x = 103,671,072,276,830.41
  5. Step 5: Solve for x
    x = 103,671,072,276,830.41/8,591,501.85
  6. Step 6: Final answer
    x = 12,066,699.64

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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.