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Finding the Fourth Proportional to 21,581,570.95, 32,372,356.43 and 21,581,570.95

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Solution

The fourth proportional to 21,581,570.95, 32,372,356.43 and 21,581,570.95 is: 32,372,356.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,570.95 : 32,372,356.43 = 21,581,570.95 : x
  2. Step 2: Convert to fraction form
    21,581,570.95/32,372,356.43 = 21,581,570.95/x
  3. Step 3: Cross multiply
    21,581,570.95x = 32,372,356.43 × 21,581,570.95
  4. Step 4: Simplify right side
    21,581,570.95x = 698,646,307,112,733.62
  5. Step 5: Solve for x
    x = 698,646,307,112,733.62/21,581,570.95
  6. Step 6: Final answer
    x = 32,372,356.43

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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.