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Finding the Fourth Proportional to 35,873.63, 53,736.33 and 21,037.87

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Solution

The fourth proportional to 35,873.63, 53,736.33 and 21,037.87 is: 31,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,873.63 : 53,736.33 = 21,037.87 : x
  2. Step 2: Convert to fraction form
    35,873.63/53,736.33 = 21,037.87/x
  3. Step 3: Cross multiply
    35,873.63x = 53,736.33 × 21,037.87
  4. Step 4: Simplify right side
    35,873.63x = 1,130,497,924.82
  5. Step 5: Solve for x
    x = 1,130,497,924.82/35,873.63
  6. Step 6: Final answer
    x = 31,513.34

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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.