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Finding the Fourth Proportional to 47,309,808.35, 70,964,712.53 and 47,309,808.35

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Solution

The fourth proportional to 47,309,808.35, 70,964,712.53 and 47,309,808.35 is: 70,964,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,309,808.35 : 70,964,712.53 = 47,309,808.35 : x
  2. Step 2: Convert to fraction form
    47,309,808.35/70,964,712.53 = 47,309,808.35/x
  3. Step 3: Cross multiply
    47,309,808.35x = 70,964,712.53 × 47,309,808.35
  4. Step 4: Simplify right side
    47,309,808.35x = 3,357,326,949,170,595
  5. Step 5: Solve for x
    x = 3,357,326,949,170,595/47,309,808.35
  6. Step 6: Final answer
    x = 70,964,712.53

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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.