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Finding the Fourth Proportional to 12,473,820, 17,213,871.60 and 6,750,684

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Solution

The fourth proportional to 12,473,820, 17,213,871.60 and 6,750,684 is: 9,315,943.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,473,820 : 17,213,871.60 = 6,750,684 : x
  2. Step 2: Convert to fraction form
    12,473,820/17,213,871.60 = 6,750,684/x
  3. Step 3: Cross multiply
    12,473,820x = 17,213,871.60 × 6,750,684
  4. Step 4: Simplify right side
    12,473,820x = 116,205,407,588,174.41
  5. Step 5: Solve for x
    x = 116,205,407,588,174.41/12,473,820
  6. Step 6: Final answer
    x = 9,315,943.92

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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.