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Finding the Fourth Proportional to 64,054.28, 96,081.06 and 21,934.74

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Solution

The fourth proportional to 64,054.28, 96,081.06 and 21,934.74 is: 32,901.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,054.28 : 96,081.06 = 21,934.74 : x
  2. Step 2: Convert to fraction form
    64,054.28/96,081.06 = 21,934.74/x
  3. Step 3: Cross multiply
    64,054.28x = 96,081.06 × 21,934.74
  4. Step 4: Simplify right side
    64,054.28x = 2,107,513,070.02
  5. Step 5: Solve for x
    x = 2,107,513,070.02/64,054.28
  6. Step 6: Final answer
    x = 32,901.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.