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Finding the Fourth Proportional to 52,546.60, 78,819.90 and 19,268.92

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Solution

The fourth proportional to 52,546.60, 78,819.90 and 19,268.92 is: 28,903.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,546.60 : 78,819.90 = 19,268.92 : x
  2. Step 2: Convert to fraction form
    52,546.60/78,819.90 = 19,268.92/x
  3. Step 3: Cross multiply
    52,546.60x = 78,819.90 × 19,268.92
  4. Step 4: Simplify right side
    52,546.60x = 1,518,774,347.51
  5. Step 5: Solve for x
    x = 1,518,774,347.51/52,546.60
  6. Step 6: Final answer
    x = 28,903.38

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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.