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Finding the Fourth Proportional to 35,709.54, 53,574.79 and 15,983.71

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Solution

The fourth proportional to 35,709.54, 53,574.79 and 15,983.71 is: 23,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,709.54 : 53,574.79 = 15,983.71 : x
  2. Step 2: Convert to fraction form
    35,709.54/53,574.79 = 15,983.71/x
  3. Step 3: Cross multiply
    35,709.54x = 53,574.79 × 15,983.71
  4. Step 4: Simplify right side
    35,709.54x = 856,323,732.77
  5. Step 5: Solve for x
    x = 856,323,732.77/35,709.54
  6. Step 6: Final answer
    x = 23,980.25

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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.