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Finding the Fourth Proportional to 21,849,882.60, 30,533,148.60 and 21,849,882.60

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Solution

The fourth proportional to 21,849,882.60, 30,533,148.60 and 21,849,882.60 is: 30,533,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,849,882.60 : 30,533,148.60 = 21,849,882.60 : x
  2. Step 2: Convert to fraction form
    21,849,882.60/30,533,148.60 = 21,849,882.60/x
  3. Step 3: Cross multiply
    21,849,882.60x = 30,533,148.60 × 21,849,882.60
  4. Step 4: Simplify right side
    21,849,882.60x = 667,145,712,318,354.50
  5. Step 5: Solve for x
    x = 667,145,712,318,354.50/21,849,882.60
  6. Step 6: Final answer
    x = 30,533,148.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.