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Finding the Fourth Proportional to 76,448.61, 105,514.61 and 44,184.60

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Solution

The fourth proportional to 76,448.61, 105,514.61 and 44,184.60 is: 60,983.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,448.61 : 105,514.61 = 44,184.60 : x
  2. Step 2: Convert to fraction form
    76,448.61/105,514.61 = 44,184.60/x
  3. Step 3: Cross multiply
    76,448.61x = 105,514.61 × 44,184.60
  4. Step 4: Simplify right side
    76,448.61x = 4,662,120,616.08
  5. Step 5: Solve for x
    x = 4,662,120,616.08/76,448.61
  6. Step 6: Final answer
    x = 60,983.72

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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.