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Finding the Fourth Proportional to 61,983, 85,543.85 and 36,832.50

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Solution

The fourth proportional to 61,983, 85,543.85 and 36,832.50 is: 50,833.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,983 : 85,543.85 = 36,832.50 : x
  2. Step 2: Convert to fraction form
    61,983/85,543.85 = 36,832.50/x
  3. Step 3: Cross multiply
    61,983x = 85,543.85 × 36,832.50
  4. Step 4: Simplify right side
    61,983x = 3,150,793,670.96
  5. Step 5: Solve for x
    x = 3,150,793,670.96/61,983
  6. Step 6: Final answer
    x = 50,833.19

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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.