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Finding the Fourth Proportional to 59,190.90, 88,782.30 and 19,209.30

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Solution

The fourth proportional to 59,190.90, 88,782.30 and 19,209.30 is: 28,812.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,190.90 : 88,782.30 = 19,209.30 : x
  2. Step 2: Convert to fraction form
    59,190.90/88,782.30 = 19,209.30/x
  3. Step 3: Cross multiply
    59,190.90x = 88,782.30 × 19,209.30
  4. Step 4: Simplify right side
    59,190.90x = 1,705,445,835.39
  5. Step 5: Solve for x
    x = 1,705,445,835.39/59,190.90
  6. Step 6: Final answer
    x = 28,812.64

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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.