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Finding the Fourth Proportional to 8,869,884.84, 12,239,707.95 and 5,003,356.32

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Solution

The fourth proportional to 8,869,884.84, 12,239,707.95 and 5,003,356.32 is: 6,904,218.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869,884.84 : 12,239,707.95 = 5,003,356.32 : x
  2. Step 2: Convert to fraction form
    8,869,884.84/12,239,707.95 = 5,003,356.32/x
  3. Step 3: Cross multiply
    8,869,884.84x = 12,239,707.95 × 5,003,356.32
  4. Step 4: Simplify right side
    8,869,884.84x = 61,239,620,126,586.74
  5. Step 5: Solve for x
    x = 61,239,620,126,586.74/8,869,884.84
  6. Step 6: Final answer
    x = 6,904,218.18

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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.