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Finding the Fourth Proportional to 52,813.96, 79,216.98 and 15,374.32

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Solution

The fourth proportional to 52,813.96, 79,216.98 and 15,374.32 is: 23,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,813.96 : 79,216.98 = 15,374.32 : x
  2. Step 2: Convert to fraction form
    52,813.96/79,216.98 = 15,374.32/x
  3. Step 3: Cross multiply
    52,813.96x = 79,216.98 × 15,374.32
  4. Step 4: Simplify right side
    52,813.96x = 1,217,907,199.95
  5. Step 5: Solve for x
    x = 1,217,907,199.95/52,813.96
  6. Step 6: Final answer
    x = 23,060.33

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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.