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Finding the Fourth Proportional to 7,808,749.47, 11,714,214.07 and 3,258,755.30

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Solution

The fourth proportional to 7,808,749.47, 11,714,214.07 and 3,258,755.30 is: 4,888,587.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808,749.47 : 11,714,214.07 = 3,258,755.30 : x
  2. Step 2: Convert to fraction form
    7,808,749.47/11,714,214.07 = 3,258,755.30/x
  3. Step 3: Cross multiply
    7,808,749.47x = 11,714,214.07 × 3,258,755.30
  4. Step 4: Simplify right side
    7,808,749.47x = 38,173,757,127,376
  5. Step 5: Solve for x
    x = 38,173,757,127,376/7,808,749.47
  6. Step 6: Final answer
    x = 4,888,587.77

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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.