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Finding the Fourth Proportional to 35,378.64, 48,822.14 and 19,463.10

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Solution

The fourth proportional to 35,378.64, 48,822.14 and 19,463.10 is: 26,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,378.64 : 48,822.14 = 19,463.10 : x
  2. Step 2: Convert to fraction form
    35,378.64/48,822.14 = 19,463.10/x
  3. Step 3: Cross multiply
    35,378.64x = 48,822.14 × 19,463.10
  4. Step 4: Simplify right side
    35,378.64x = 950,230,193.03
  5. Step 5: Solve for x
    x = 950,230,193.03/35,378.64
  6. Step 6: Final answer
    x = 26,858.87

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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.