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Finding the Fourth Proportional to 58,153.60, 87,259.20 and 33,212.80

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Solution

The fourth proportional to 58,153.60, 87,259.20 and 33,212.80 is: 49,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,153.60 : 87,259.20 = 33,212.80 : x
  2. Step 2: Convert to fraction form
    58,153.60/87,259.20 = 33,212.80/x
  3. Step 3: Cross multiply
    58,153.60x = 87,259.20 × 33,212.80
  4. Step 4: Simplify right side
    58,153.60x = 2,898,122,357.76
  5. Step 5: Solve for x
    x = 2,898,122,357.76/58,153.60
  6. Step 6: Final answer
    x = 49,835.65

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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.