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Finding the Fourth Proportional to 58,043.15, 87,057.88 and 15,927.49

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Solution

The fourth proportional to 58,043.15, 87,057.88 and 15,927.49 is: 23,889.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,043.15 : 87,057.88 = 15,927.49 : x
  2. Step 2: Convert to fraction form
    58,043.15/87,057.88 = 15,927.49/x
  3. Step 3: Cross multiply
    58,043.15x = 87,057.88 × 15,927.49
  4. Step 4: Simplify right side
    58,043.15x = 1,386,613,513.12
  5. Step 5: Solve for x
    x = 1,386,613,513.12/58,043.15
  6. Step 6: Final answer
    x = 23,889.36

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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.