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Finding the Fourth Proportional to 27,889,709.60, 41,834,564.40 and 27,730,277.30

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Solution

The fourth proportional to 27,889,709.60, 41,834,564.40 and 27,730,277.30 is: 41,595,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889,709.60 : 41,834,564.40 = 27,730,277.30 : x
  2. Step 2: Convert to fraction form
    27,889,709.60/41,834,564.40 = 27,730,277.30/x
  3. Step 3: Cross multiply
    27,889,709.60x = 41,834,564.40 × 27,730,277.30
  4. Step 4: Simplify right side
    27,889,709.60x = 1,160,084,071,536,708
  5. Step 5: Solve for x
    x = 1,160,084,071,536,708/27,889,709.60
  6. Step 6: Final answer
    x = 41,595,415.95

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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.