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Finding the Fourth Proportional to 21,859,293.60, 32,788,940.40 and 10,497,002.40

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Solution

The fourth proportional to 21,859,293.60, 32,788,940.40 and 10,497,002.40 is: 15,745,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,859,293.60 : 32,788,940.40 = 10,497,002.40 : x
  2. Step 2: Convert to fraction form
    21,859,293.60/32,788,940.40 = 10,497,002.40/x
  3. Step 3: Cross multiply
    21,859,293.60x = 32,788,940.40 × 10,497,002.40
  4. Step 4: Simplify right side
    21,859,293.60x = 344,185,586,072,256.94
  5. Step 5: Solve for x
    x = 344,185,586,072,256.94/21,859,293.60
  6. Step 6: Final answer
    x = 15,745,503.60

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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.