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Finding the Fourth Proportional to 11,807,534.40, 17,711,301.60 and 11,807,534.40

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Solution

The fourth proportional to 11,807,534.40, 17,711,301.60 and 11,807,534.40 is: 17,711,301.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807,534.40 : 17,711,301.60 = 11,807,534.40 : x
  2. Step 2: Convert to fraction form
    11,807,534.40/17,711,301.60 = 11,807,534.40/x
  3. Step 3: Cross multiply
    11,807,534.40x = 17,711,301.60 × 11,807,534.40
  4. Step 4: Simplify right side
    11,807,534.40x = 209,126,802,910,775.06
  5. Step 5: Solve for x
    x = 209,126,802,910,775.06/11,807,534.40
  6. Step 6: Final answer
    x = 17,711,301.60

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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.