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Finding the Fourth Proportional to 35,857.83, 53,786.71 and 10,897.81

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Solution

The fourth proportional to 35,857.83, 53,786.71 and 10,897.81 is: 16,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,857.83 : 53,786.71 = 10,897.81 : x
  2. Step 2: Convert to fraction form
    35,857.83/53,786.71 = 10,897.81/x
  3. Step 3: Cross multiply
    35,857.83x = 53,786.71 × 10,897.81
  4. Step 4: Simplify right side
    35,857.83x = 586,157,346.11
  5. Step 5: Solve for x
    x = 586,157,346.11/35,857.83
  6. Step 6: Final answer
    x = 16,346.70

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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.