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Finding the Fourth Proportional to 58,630, 80,909.40 and 33,479.52

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Solution

The fourth proportional to 58,630, 80,909.40 and 33,479.52 is: 46,201.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,630 : 80,909.40 = 33,479.52 : x
  2. Step 2: Convert to fraction form
    58,630/80,909.40 = 33,479.52/x
  3. Step 3: Cross multiply
    58,630x = 80,909.40 × 33,479.52
  4. Step 4: Simplify right side
    58,630x = 2,708,807,875.49
  5. Step 5: Solve for x
    x = 2,708,807,875.49/58,630
  6. Step 6: Final answer
    x = 46,201.74

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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.