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Finding the Fourth Proportional to 52,510.80, 78,823.80 and 32,811.60

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Solution

The fourth proportional to 52,510.80, 78,823.80 and 32,811.60 is: 49,253.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,510.80 : 78,823.80 = 32,811.60 : x
  2. Step 2: Convert to fraction form
    52,510.80/78,823.80 = 32,811.60/x
  3. Step 3: Cross multiply
    52,510.80x = 78,823.80 × 32,811.60
  4. Step 4: Simplify right side
    52,510.80x = 2,586,334,996.08
  5. Step 5: Solve for x
    x = 2,586,334,996.08/52,510.80
  6. Step 6: Final answer
    x = 49,253.39

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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.