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Finding the Fourth Proportional to 35,406.18, 48,860.01 and 19,490.22

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Solution

The fourth proportional to 35,406.18, 48,860.01 and 19,490.22 is: 26,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,406.18 : 48,860.01 = 19,490.22 : x
  2. Step 2: Convert to fraction form
    35,406.18/48,860.01 = 19,490.22/x
  3. Step 3: Cross multiply
    35,406.18x = 48,860.01 × 19,490.22
  4. Step 4: Simplify right side
    35,406.18x = 952,292,344.10
  5. Step 5: Solve for x
    x = 952,292,344.10/35,406.18
  6. Step 6: Final answer
    x = 26,896.22

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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.