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Finding the Fourth Proportional to 32,671,941.20, 49,007,911.80 and 21,712,446.80

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Solution

The fourth proportional to 32,671,941.20, 49,007,911.80 and 21,712,446.80 is: 32,568,670.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,671,941.20 : 49,007,911.80 = 21,712,446.80 : x
  2. Step 2: Convert to fraction form
    32,671,941.20/49,007,911.80 = 21,712,446.80/x
  3. Step 3: Cross multiply
    32,671,941.20x = 49,007,911.80 × 21,712,446.80
  4. Step 4: Simplify right side
    32,671,941.20x = 1,064,081,677,736,592.25
  5. Step 5: Solve for x
    x = 1,064,081,677,736,592.25/32,671,941.20
  6. Step 6: Final answer
    x = 32,568,670.20

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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.