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Finding the Fourth Proportional to 60,460.40, 90,690.60 and 59,682.80

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Solution

The fourth proportional to 60,460.40, 90,690.60 and 59,682.80 is: 89,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,460.40 : 90,690.60 = 59,682.80 : x
  2. Step 2: Convert to fraction form
    60,460.40/90,690.60 = 59,682.80/x
  3. Step 3: Cross multiply
    60,460.40x = 90,690.60 × 59,682.80
  4. Step 4: Simplify right side
    60,460.40x = 5,412,668,941.68
  5. Step 5: Solve for x
    x = 5,412,668,941.68/60,460.40
  6. Step 6: Final answer
    x = 89,524.20

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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.