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Finding the Fourth Proportional to 58,501.78, 87,580.42 and 36,243.59

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Solution

The fourth proportional to 58,501.78, 87,580.42 and 36,243.59 is: 54,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,501.78 : 87,580.42 = 36,243.59 : x
  2. Step 2: Convert to fraction form
    58,501.78/87,580.42 = 36,243.59/x
  3. Step 3: Cross multiply
    58,501.78x = 87,580.42 × 36,243.59
  4. Step 4: Simplify right side
    58,501.78x = 3,174,228,306.00
  5. Step 5: Solve for x
    x = 3,174,228,306.00/58,501.78
  6. Step 6: Final answer
    x = 54,258.66

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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.