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Finding the Fourth Proportional to 35,410.80, 53,097.90 and 10,447.68

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Solution

The fourth proportional to 35,410.80, 53,097.90 and 10,447.68 is: 15,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,410.80 : 53,097.90 = 10,447.68 : x
  2. Step 2: Convert to fraction form
    35,410.80/53,097.90 = 10,447.68/x
  3. Step 3: Cross multiply
    35,410.80x = 53,097.90 × 10,447.68
  4. Step 4: Simplify right side
    35,410.80x = 554,749,867.87
  5. Step 5: Solve for x
    x = 554,749,867.87/35,410.80
  6. Step 6: Final answer
    x = 15,666.12

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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.