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Finding the Fourth Proportional to 35,207.60, 52,830.60 and 14,433.20

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Solution

The fourth proportional to 35,207.60, 52,830.60 and 14,433.20 is: 21,657.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,207.60 : 52,830.60 = 14,433.20 : x
  2. Step 2: Convert to fraction form
    35,207.60/52,830.60 = 14,433.20/x
  3. Step 3: Cross multiply
    35,207.60x = 52,830.60 × 14,433.20
  4. Step 4: Simplify right side
    35,207.60x = 762,514,615.92
  5. Step 5: Solve for x
    x = 762,514,615.92/35,207.60
  6. Step 6: Final answer
    x = 21,657.67

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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.