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Finding the Fourth Proportional to 58,004.94, 87,005.81 and 18,561.48

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Solution

The fourth proportional to 58,004.94, 87,005.81 and 18,561.48 is: 27,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,004.94 : 87,005.81 = 18,561.48 : x
  2. Step 2: Convert to fraction form
    58,004.94/87,005.81 = 18,561.48/x
  3. Step 3: Cross multiply
    58,004.94x = 87,005.81 × 18,561.48
  4. Step 4: Simplify right side
    58,004.94x = 1,614,956,602.20
  5. Step 5: Solve for x
    x = 1,614,956,602.20/58,004.94
  6. Step 6: Final answer
    x = 27,841.71

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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.