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Finding the Fourth Proportional to 47,323,689.92, 70,978,430.20 and 14,971,388.68

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Solution

The fourth proportional to 47,323,689.92, 70,978,430.20 and 14,971,388.68 is: 22,454,835.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,323,689.92 : 70,978,430.20 = 14,971,388.68 : x
  2. Step 2: Convert to fraction form
    47,323,689.92/70,978,430.20 = 14,971,388.68/x
  3. Step 3: Cross multiply
    47,323,689.92x = 70,978,430.20 × 14,971,388.68
  4. Step 4: Simplify right side
    47,323,689.92x = 1,062,645,666,420,450.12
  5. Step 5: Solve for x
    x = 1,062,645,666,420,450.12/47,323,689.92
  6. Step 6: Final answer
    x = 22,454,835.37

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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.