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Finding the Fourth Proportional to 75,962.35, 104,830.64 and 47,683.63

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Solution

The fourth proportional to 75,962.35, 104,830.64 and 47,683.63 is: 65,805.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,962.35 : 104,830.64 = 47,683.63 : x
  2. Step 2: Convert to fraction form
    75,962.35/104,830.64 = 47,683.63/x
  3. Step 3: Cross multiply
    75,962.35x = 104,830.64 × 47,683.63
  4. Step 4: Simplify right side
    75,962.35x = 4,998,705,212.01
  5. Step 5: Solve for x
    x = 4,998,705,212.01/75,962.35
  6. Step 6: Final answer
    x = 65,805.04

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1.5x scale

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.