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Finding the Fourth Proportional to 35,078.91, 48,409.95 and 19,164.40

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Solution

The fourth proportional to 35,078.91, 48,409.95 and 19,164.40 is: 26,447.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,078.91 : 48,409.95 = 19,164.40 : x
  2. Step 2: Convert to fraction form
    35,078.91/48,409.95 = 19,164.40/x
  3. Step 3: Cross multiply
    35,078.91x = 48,409.95 × 19,164.40
  4. Step 4: Simplify right side
    35,078.91x = 927,747,596.62
  5. Step 5: Solve for x
    x = 927,747,596.62/35,078.91
  6. Step 6: Final answer
    x = 26,447.45

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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.