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Finding the Fourth Proportional to 35,138.89, 48,492.81 and 19,223.34

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Solution

The fourth proportional to 35,138.89, 48,492.81 and 19,223.34 is: 26,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138.89 : 48,492.81 = 19,223.34 : x
  2. Step 2: Convert to fraction form
    35,138.89/48,492.81 = 19,223.34/x
  3. Step 3: Cross multiply
    35,138.89x = 48,492.81 × 19,223.34
  4. Step 4: Simplify right side
    35,138.89x = 932,193,937.20
  5. Step 5: Solve for x
    x = 932,193,937.20/35,138.89
  6. Step 6: Final answer
    x = 26,528.84

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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.