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Finding the Fourth Proportional to 35,135.86, 48,486.85 and 19,220.17

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Solution

The fourth proportional to 35,135.86, 48,486.85 and 19,220.17 is: 26,523.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,135.86 : 48,486.85 = 19,220.17 : x
  2. Step 2: Convert to fraction form
    35,135.86/48,486.85 = 19,220.17/x
  3. Step 3: Cross multiply
    35,135.86x = 48,486.85 × 19,220.17
  4. Step 4: Simplify right side
    35,135.86x = 931,925,499.76
  5. Step 5: Solve for x
    x = 931,925,499.76/35,135.86
  6. Step 6: Final answer
    x = 26,523.49

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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.