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Finding the Fourth Proportional to 27,822,055.60, 38,871,251.60 and 27,822,055.60

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Solution

The fourth proportional to 27,822,055.60, 38,871,251.60 and 27,822,055.60 is: 38,871,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,822,055.60 : 38,871,251.60 = 27,822,055.60 : x
  2. Step 2: Convert to fraction form
    27,822,055.60/38,871,251.60 = 27,822,055.60/x
  3. Step 3: Cross multiply
    27,822,055.60x = 38,871,251.60 × 27,822,055.60
  4. Step 4: Simplify right side
    27,822,055.60x = 1,081,478,123,256,789
  5. Step 5: Solve for x
    x = 1,081,478,123,256,789/27,822,055.60
  6. Step 6: Final answer
    x = 38,871,251.60

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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.