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Finding the Fourth Proportional to 35,428.92, 53,146.44 and 9,133.44

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Solution

The fourth proportional to 35,428.92, 53,146.44 and 9,133.44 is: 13,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,428.92 : 53,146.44 = 9,133.44 : x
  2. Step 2: Convert to fraction form
    35,428.92/53,146.44 = 9,133.44/x
  3. Step 3: Cross multiply
    35,428.92x = 53,146.44 × 9,133.44
  4. Step 4: Simplify right side
    35,428.92x = 485,409,820.95
  5. Step 5: Solve for x
    x = 485,409,820.95/35,428.92
  6. Step 6: Final answer
    x = 13,700.95

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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.