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Finding the Fourth Proportional to 8,671,755.72, 11,966,054.49 and 4,803,317.22

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Solution

The fourth proportional to 8,671,755.72, 11,966,054.49 and 4,803,317.22 is: 6,628,041.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671,755.72 : 11,966,054.49 = 4,803,317.22 : x
  2. Step 2: Convert to fraction form
    8,671,755.72/11,966,054.49 = 4,803,317.22/x
  3. Step 3: Cross multiply
    8,671,755.72x = 11,966,054.49 × 4,803,317.22
  4. Step 4: Simplify right side
    8,671,755.72x = 57,476,755,587,275.31
  5. Step 5: Solve for x
    x = 57,476,755,587,275.31/8,671,755.72
  6. Step 6: Final answer
    x = 6,628,041.36

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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.