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Finding the Fourth Proportional to 45,859.60, 68,749.40 and 17,798.80

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Solution

The fourth proportional to 45,859.60, 68,749.40 and 17,798.80 is: 26,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,859.60 : 68,749.40 = 17,798.80 : x
  2. Step 2: Convert to fraction form
    45,859.60/68,749.40 = 17,798.80/x
  3. Step 3: Cross multiply
    45,859.60x = 68,749.40 × 17,798.80
  4. Step 4: Simplify right side
    45,859.60x = 1,223,656,820.72
  5. Step 5: Solve for x
    x = 1,223,656,820.72/45,859.60
  6. Step 6: Final answer
    x = 26,682.68

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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.