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Finding the Fourth Proportional to 52,763.68, 79,145.36 and 13,323.92

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Solution

The fourth proportional to 52,763.68, 79,145.36 and 13,323.92 is: 19,985.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,763.68 : 79,145.36 = 13,323.92 : x
  2. Step 2: Convert to fraction form
    52,763.68/79,145.36 = 13,323.92/x
  3. Step 3: Cross multiply
    52,763.68x = 79,145.36 × 13,323.92
  4. Step 4: Simplify right side
    52,763.68x = 1,054,526,445.01
  5. Step 5: Solve for x
    x = 1,054,526,445.01/52,763.68
  6. Step 6: Final answer
    x = 19,985.84

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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.