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Finding the Fourth Proportional to 35,120.79, 48,465.95 and 19,204.29

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Solution

The fourth proportional to 35,120.79, 48,465.95 and 19,204.29 is: 26,501.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,120.79 : 48,465.95 = 19,204.29 : x
  2. Step 2: Convert to fraction form
    35,120.79/48,465.95 = 19,204.29/x
  3. Step 3: Cross multiply
    35,120.79x = 48,465.95 × 19,204.29
  4. Step 4: Simplify right side
    35,120.79x = 930,754,062.90
  5. Step 5: Solve for x
    x = 930,754,062.90/35,120.79
  6. Step 6: Final answer
    x = 26,501.51

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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.