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Finding the Fourth Proportional to 58,349.16, 87,525 and 20,911.68

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Solution

The fourth proportional to 58,349.16, 87,525 and 20,911.68 is: 31,367.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,349.16 : 87,525 = 20,911.68 : x
  2. Step 2: Convert to fraction form
    58,349.16/87,525 = 20,911.68/x
  3. Step 3: Cross multiply
    58,349.16x = 87,525 × 20,911.68
  4. Step 4: Simplify right side
    58,349.16x = 1,830,294,792
  5. Step 5: Solve for x
    x = 1,830,294,792/58,349.16
  6. Step 6: Final answer
    x = 31,367.97

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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.