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Finding the Fourth Proportional to 58,118.48, 80,210.76 and 32,976.08

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Solution

The fourth proportional to 58,118.48, 80,210.76 and 32,976.08 is: 45,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,118.48 : 80,210.76 = 32,976.08 : x
  2. Step 2: Convert to fraction form
    58,118.48/80,210.76 = 32,976.08/x
  3. Step 3: Cross multiply
    58,118.48x = 80,210.76 × 32,976.08
  4. Step 4: Simplify right side
    58,118.48x = 2,645,036,438.62
  5. Step 5: Solve for x
    x = 2,645,036,438.62/58,118.48
  6. Step 6: Final answer
    x = 45,511.11

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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.