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Finding the Fourth Proportional to 52,992.32, 79,490.91 and 37,479.20

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Solution

The fourth proportional to 52,992.32, 79,490.91 and 37,479.20 is: 56,220.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,992.32 : 79,490.91 = 37,479.20 : x
  2. Step 2: Convert to fraction form
    52,992.32/79,490.91 = 37,479.20/x
  3. Step 3: Cross multiply
    52,992.32x = 79,490.91 × 37,479.20
  4. Step 4: Simplify right side
    52,992.32x = 2,979,255,714.07
  5. Step 5: Solve for x
    x = 2,979,255,714.07/52,992.32
  6. Step 6: Final answer
    x = 56,220.52

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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.