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Finding the Fourth Proportional to 8,671,756.72, 11,966,055.88 and 4,803,318.24

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Solution

The fourth proportional to 8,671,756.72, 11,966,055.88 and 4,803,318.24 is: 6,628,042.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,671,756.72 : 11,966,055.88 = 4,803,318.24 : x
  2. Step 2: Convert to fraction form
    8,671,756.72/11,966,055.88 = 4,803,318.24/x
  3. Step 3: Cross multiply
    8,671,756.72x = 11,966,055.88 × 4,803,318.24
  4. Step 4: Simplify right side
    8,671,756.72x = 57,476,774,469,263.26
  5. Step 5: Solve for x
    x = 57,476,774,469,263.26/8,671,756.72
  6. Step 6: Final answer
    x = 6,628,042.77

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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.