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Finding the Fourth Proportional to 58,612.60, 87,999.90 and 37,682.20

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Solution

The fourth proportional to 58,612.60, 87,999.90 and 37,682.20 is: 56,575.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,612.60 : 87,999.90 = 37,682.20 : x
  2. Step 2: Convert to fraction form
    58,612.60/87,999.90 = 37,682.20/x
  3. Step 3: Cross multiply
    58,612.60x = 87,999.90 × 37,682.20
  4. Step 4: Simplify right side
    58,612.60x = 3,316,029,831.78
  5. Step 5: Solve for x
    x = 3,316,029,831.78/58,612.60
  6. Step 6: Final answer
    x = 56,575.38

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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.