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Finding the Fourth Proportional to 52,302.80, 78,450.60 and 16,763.60

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Solution

The fourth proportional to 52,302.80, 78,450.60 and 16,763.60 is: 25,144.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,302.80 : 78,450.60 = 16,763.60 : x
  2. Step 2: Convert to fraction form
    52,302.80/78,450.60 = 16,763.60/x
  3. Step 3: Cross multiply
    52,302.80x = 78,450.60 × 16,763.60
  4. Step 4: Simplify right side
    52,302.80x = 1,315,114,478.16
  5. Step 5: Solve for x
    x = 1,315,114,478.16/52,302.80
  6. Step 6: Final answer
    x = 25,144.25

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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.