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Finding the Fourth Proportional to 35,138.80, 48,492.24 and 19,223.20

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Solution

The fourth proportional to 35,138.80, 48,492.24 and 19,223.20 is: 26,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138.80 : 48,492.24 = 19,223.20 : x
  2. Step 2: Convert to fraction form
    35,138.80/48,492.24 = 19,223.20/x
  3. Step 3: Cross multiply
    35,138.80x = 48,492.24 × 19,223.20
  4. Step 4: Simplify right side
    35,138.80x = 932,176,027.97
  5. Step 5: Solve for x
    x = 932,176,027.97/35,138.80
  6. Step 6: Final answer
    x = 26,528.40

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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.