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Finding the Fourth Proportional to 58,019.57, 87,030.57 and 18,576.57

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Solution

The fourth proportional to 58,019.57, 87,030.57 and 18,576.57 is: 27,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,019.57 : 87,030.57 = 18,576.57 : x
  2. Step 2: Convert to fraction form
    58,019.57/87,030.57 = 18,576.57/x
  3. Step 3: Cross multiply
    58,019.57x = 87,030.57 × 18,576.57
  4. Step 4: Simplify right side
    58,019.57x = 1,616,729,475.74
  5. Step 5: Solve for x
    x = 1,616,729,475.74/58,019.57
  6. Step 6: Final answer
    x = 27,865.25

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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.