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Finding the Fourth Proportional to 58,324.16, 87,500.12 and 18,881.28

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Solution

The fourth proportional to 58,324.16, 87,500.12 and 18,881.28 is: 28,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,324.16 : 87,500.12 = 18,881.28 : x
  2. Step 2: Convert to fraction form
    58,324.16/87,500.12 = 18,881.28/x
  3. Step 3: Cross multiply
    58,324.16x = 87,500.12 × 18,881.28
  4. Step 4: Simplify right side
    58,324.16x = 1,652,114,265.75
  5. Step 5: Solve for x
    x = 1,652,114,265.75/58,324.16
  6. Step 6: Final answer
    x = 28,326.41

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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.