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Finding the Fourth Proportional to 35,599.48, 53,311.74 and 28,529.80

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Solution

The fourth proportional to 35,599.48, 53,311.74 and 28,529.80 is: 42,724.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,599.48 : 53,311.74 = 28,529.80 : x
  2. Step 2: Convert to fraction form
    35,599.48/53,311.74 = 28,529.80/x
  3. Step 3: Cross multiply
    35,599.48x = 53,311.74 × 28,529.80
  4. Step 4: Simplify right side
    35,599.48x = 1,520,973,279.85
  5. Step 5: Solve for x
    x = 1,520,973,279.85/35,599.48
  6. Step 6: Final answer
    x = 42,724.59

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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.