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Finding the Fourth Proportional to 35,203.20, 52,786.08 and 13,010.88

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Solution

The fourth proportional to 35,203.20, 52,786.08 and 13,010.88 is: 19,509.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,203.20 : 52,786.08 = 13,010.88 : x
  2. Step 2: Convert to fraction form
    35,203.20/52,786.08 = 13,010.88/x
  3. Step 3: Cross multiply
    35,203.20x = 52,786.08 × 13,010.88
  4. Step 4: Simplify right side
    35,203.20x = 686,793,352.55
  5. Step 5: Solve for x
    x = 686,793,352.55/35,203.20
  6. Step 6: Final answer
    x = 19,509.40

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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.