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Finding the Fourth Proportional to 11,893,502.20, 16,615,030.81 and 11,893,502.20

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Solution

The fourth proportional to 11,893,502.20, 16,615,030.81 and 11,893,502.20 is: 16,615,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893,502.20 : 16,615,030.81 = 11,893,502.20 : x
  2. Step 2: Convert to fraction form
    11,893,502.20/16,615,030.81 = 11,893,502.20/x
  3. Step 3: Cross multiply
    11,893,502.20x = 16,615,030.81 × 11,893,502.20
  4. Step 4: Simplify right side
    11,893,502.20x = 197,610,905,491,802.78
  5. Step 5: Solve for x
    x = 197,610,905,491,802.78/11,893,502.20
  6. Step 6: Final answer
    x = 16,615,030.81

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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.