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Finding the Fourth Proportional to 35,455, 48,927.30 and 19,539.11

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Solution

The fourth proportional to 35,455, 48,927.30 and 19,539.11 is: 26,963.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,455 : 48,927.30 = 19,539.11 : x
  2. Step 2: Convert to fraction form
    35,455/48,927.30 = 19,539.11/x
  3. Step 3: Cross multiply
    35,455x = 48,927.30 × 19,539.11
  4. Step 4: Simplify right side
    35,455x = 955,995,896.70
  5. Step 5: Solve for x
    x = 955,995,896.70/35,455
  6. Step 6: Final answer
    x = 26,963.64

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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.