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Finding the Fourth Proportional to 35,465.68, 53,197.98 and 9,170.20

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Solution

The fourth proportional to 35,465.68, 53,197.98 and 9,170.20 is: 13,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,465.68 : 53,197.98 = 9,170.20 : x
  2. Step 2: Convert to fraction form
    35,465.68/53,197.98 = 9,170.20/x
  3. Step 3: Cross multiply
    35,465.68x = 53,197.98 × 9,170.20
  4. Step 4: Simplify right side
    35,465.68x = 487,836,116.20
  5. Step 5: Solve for x
    x = 487,836,116.20/35,465.68
  6. Step 6: Final answer
    x = 13,755.16

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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.