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Finding the Fourth Proportional to 58,100.75, 87,141.10 and 15,406.48

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Solution

The fourth proportional to 58,100.75, 87,141.10 and 15,406.48 is: 23,107.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,100.75 : 87,141.10 = 15,406.48 : x
  2. Step 2: Convert to fraction form
    58,100.75/87,141.10 = 15,406.48/x
  3. Step 3: Cross multiply
    58,100.75x = 87,141.10 × 15,406.48
  4. Step 4: Simplify right side
    58,100.75x = 1,342,537,742.51
  5. Step 5: Solve for x
    x = 1,342,537,742.51/58,100.75
  6. Step 6: Final answer
    x = 23,107.06

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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.