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Finding the Fourth Proportional to 21,860,806.40, 32,732,227.20 and 21,860,806.40

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Solution

The fourth proportional to 21,860,806.40, 32,732,227.20 and 21,860,806.40 is: 32,732,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,860,806.40 : 32,732,227.20 = 21,860,806.40 : x
  2. Step 2: Convert to fraction form
    21,860,806.40/32,732,227.20 = 21,860,806.40/x
  3. Step 3: Cross multiply
    21,860,806.40x = 32,732,227.20 × 21,860,806.40
  4. Step 4: Simplify right side
    21,860,806.40x = 715,552,881,860,014
  5. Step 5: Solve for x
    x = 715,552,881,860,014/21,860,806.40
  6. Step 6: Final answer
    x = 32,732,227.20

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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.