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Finding the Fourth Proportional to 8,549,619.62, 11,798,246.53 and 4,878,469.49

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Solution

The fourth proportional to 8,549,619.62, 11,798,246.53 and 4,878,469.49 is: 6,732,157.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,549,619.62 : 11,798,246.53 = 4,878,469.49 : x
  2. Step 2: Convert to fraction form
    8,549,619.62/11,798,246.53 = 4,878,469.49/x
  3. Step 3: Cross multiply
    8,549,619.62x = 11,798,246.53 × 4,878,469.49
  4. Step 4: Simplify right side
    8,549,619.62x = 57,557,385,767,697.07
  5. Step 5: Solve for x
    x = 57,557,385,767,697.07/8,549,619.62
  6. Step 6: Final answer
    x = 6,732,157.49

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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.