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Finding the Fourth Proportional to 21,888,021.30, 32,832,031.95 and 21,888,021.30

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Solution

The fourth proportional to 21,888,021.30, 32,832,031.95 and 21,888,021.30 is: 32,832,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,888,021.30 : 32,832,031.95 = 21,888,021.30 : x
  2. Step 2: Convert to fraction form
    21,888,021.30/32,832,031.95 = 21,888,021.30/x
  3. Step 3: Cross multiply
    21,888,021.30x = 32,832,031.95 × 21,888,021.30
  4. Step 4: Simplify right side
    21,888,021.30x = 718,628,214,643,880.50
  5. Step 5: Solve for x
    x = 718,628,214,643,880.50/21,888,021.30
  6. Step 6: Final answer
    x = 32,832,031.95

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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.