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Finding the Fourth Proportional to 35,712.80, 53,568.92 and 10,752.76

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Solution

The fourth proportional to 35,712.80, 53,568.92 and 10,752.76 is: 16,129.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,712.80 : 53,568.92 = 10,752.76 : x
  2. Step 2: Convert to fraction form
    35,712.80/53,568.92 = 10,752.76/x
  3. Step 3: Cross multiply
    35,712.80x = 53,568.92 × 10,752.76
  4. Step 4: Simplify right side
    35,712.80x = 576,013,740.22
  5. Step 5: Solve for x
    x = 576,013,740.22/35,712.80
  6. Step 6: Final answer
    x = 16,129.06

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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.