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Finding the Fourth Proportional to 8,341,805.15, 11,703,721.45 and 8,341,805.15

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Solution

The fourth proportional to 8,341,805.15, 11,703,721.45 and 8,341,805.15 is: 11,703,721.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,341,805.15 : 11,703,721.45 = 8,341,805.15 : x
  2. Step 2: Convert to fraction form
    8,341,805.15/11,703,721.45 = 8,341,805.15/x
  3. Step 3: Cross multiply
    8,341,805.15x = 11,703,721.45 × 8,341,805.15
  4. Step 4: Simplify right side
    8,341,805.15x = 97,630,163,865,775.47
  5. Step 5: Solve for x
    x = 97,630,163,865,775.47/8,341,805.15
  6. Step 6: Final answer
    x = 11,703,721.45

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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.