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Finding the Fourth Proportional to 70,520.94, 105,781.77 and 23,774.22

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Solution

The fourth proportional to 70,520.94, 105,781.77 and 23,774.22 is: 35,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,520.94 : 105,781.77 = 23,774.22 : x
  2. Step 2: Convert to fraction form
    70,520.94/105,781.77 = 23,774.22/x
  3. Step 3: Cross multiply
    70,520.94x = 105,781.77 × 23,774.22
  4. Step 4: Simplify right side
    70,520.94x = 2,514,879,071.97
  5. Step 5: Solve for x
    x = 2,514,879,071.97/70,520.94
  6. Step 6: Final answer
    x = 35,661.45

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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.