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Finding the Fourth Proportional to 8,547,978.97, 11,796,230.08 and 4,627,776.41

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Solution

The fourth proportional to 8,547,978.97, 11,796,230.08 and 4,627,776.41 is: 6,386,341.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547,978.97 : 11,796,230.08 = 4,627,776.41 : x
  2. Step 2: Convert to fraction form
    8,547,978.97/11,796,230.08 = 4,627,776.41/x
  3. Step 3: Cross multiply
    8,547,978.97x = 11,796,230.08 × 4,627,776.41
  4. Step 4: Simplify right side
    8,547,978.97x = 54,590,315,291,156.41
  5. Step 5: Solve for x
    x = 54,590,315,291,156.41/8,547,978.97
  6. Step 6: Final answer
    x = 6,386,341.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.