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Finding the Fourth Proportional to 6,345,749.79, 8,748,676.77 and 5,043,350.79

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Solution

The fourth proportional to 6,345,749.79, 8,748,676.77 and 5,043,350.79 is: 6,953,102.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345,749.79 : 8,748,676.77 = 5,043,350.79 : x
  2. Step 2: Convert to fraction form
    6,345,749.79/8,748,676.77 = 5,043,350.79/x
  3. Step 3: Cross multiply
    6,345,749.79x = 8,748,676.77 × 5,043,350.79
  4. Step 4: Simplify right side
    6,345,749.79x = 44,122,645,899,434.15
  5. Step 5: Solve for x
    x = 44,122,645,899,434.15/6,345,749.79
  6. Step 6: Final answer
    x = 6,953,102.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.