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Finding the Fourth Proportional to 11,807,526.90, 17,711,290.35 and 11,807,526.90

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Solution

The fourth proportional to 11,807,526.90, 17,711,290.35 and 11,807,526.90 is: 17,711,290.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,807,526.90 : 17,711,290.35 = 11,807,526.90 : x
  2. Step 2: Convert to fraction form
    11,807,526.90/17,711,290.35 = 11,807,526.90/x
  3. Step 3: Cross multiply
    11,807,526.90x = 17,711,290.35 × 11,807,526.90
  4. Step 4: Simplify right side
    11,807,526.90x = 209,126,537,241,335.44
  5. Step 5: Solve for x
    x = 209,126,537,241,335.44/11,807,526.90
  6. Step 6: Final answer
    x = 17,711,290.35

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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.