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Finding the Fourth Proportional to 52,596, 78,895.59 and 20,573.79

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Solution

The fourth proportional to 52,596, 78,895.59 and 20,573.79 is: 30,861.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,596 : 78,895.59 = 20,573.79 : x
  2. Step 2: Convert to fraction form
    52,596/78,895.59 = 20,573.79/x
  3. Step 3: Cross multiply
    52,596x = 78,895.59 × 20,573.79
  4. Step 4: Simplify right side
    52,596x = 1,623,180,927.58
  5. Step 5: Solve for x
    x = 1,623,180,927.58/52,596
  6. Step 6: Final answer
    x = 30,861.30

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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.