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Finding the Fourth Proportional to 40,470,983.70, 60,706,475.55 and 27,556,967.40

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Solution

The fourth proportional to 40,470,983.70, 60,706,475.55 and 27,556,967.40 is: 41,335,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,470,983.70 : 60,706,475.55 = 27,556,967.40 : x
  2. Step 2: Convert to fraction form
    40,470,983.70/60,706,475.55 = 27,556,967.40/x
  3. Step 3: Cross multiply
    40,470,983.70x = 60,706,475.55 × 27,556,967.40
  4. Step 4: Simplify right side
    40,470,983.70x = 1,672,886,367,700,247
  5. Step 5: Solve for x
    x = 1,672,886,367,700,247/40,470,983.70
  6. Step 6: Final answer
    x = 41,335,451.10

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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.