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Finding the Fourth Proportional to 35,454.40, 48,926.84 and 19,538.86

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Solution

The fourth proportional to 35,454.40, 48,926.84 and 19,538.86 is: 26,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,454.40 : 48,926.84 = 19,538.86 : x
  2. Step 2: Convert to fraction form
    35,454.40/48,926.84 = 19,538.86/x
  3. Step 3: Cross multiply
    35,454.40x = 48,926.84 × 19,538.86
  4. Step 4: Simplify right side
    35,454.40x = 955,974,677.00
  5. Step 5: Solve for x
    x = 955,974,677.00/35,454.40
  6. Step 6: Final answer
    x = 26,963.50

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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.