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Finding the Fourth Proportional to 58,281.20, 80,426.26 and 32,788.99

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Solution

The fourth proportional to 58,281.20, 80,426.26 and 32,788.99 is: 45,247.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,281.20 : 80,426.26 = 32,788.99 : x
  2. Step 2: Convert to fraction form
    58,281.20/80,426.26 = 32,788.99/x
  3. Step 3: Cross multiply
    58,281.20x = 80,426.26 × 32,788.99
  4. Step 4: Simplify right side
    58,281.20x = 2,637,095,551.84
  5. Step 5: Solve for x
    x = 2,637,095,551.84/58,281.20
  6. Step 6: Final answer
    x = 45,247.79

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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.