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Finding the Fourth Proportional to 58,293.57, 87,259.36 and 31,573.20

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Solution

The fourth proportional to 58,293.57, 87,259.36 and 31,573.20 is: 47,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,293.57 : 87,259.36 = 31,573.20 : x
  2. Step 2: Convert to fraction form
    58,293.57/87,259.36 = 31,573.20/x
  3. Step 3: Cross multiply
    58,293.57x = 87,259.36 × 31,573.20
  4. Step 4: Simplify right side
    58,293.57x = 2,755,056,928.07
  5. Step 5: Solve for x
    x = 2,755,056,928.07/58,293.57
  6. Step 6: Final answer
    x = 47,261.76

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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.