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Finding the Fourth Proportional to 58,667.78, 80,955.54 and 36,007.72

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Solution

The fourth proportional to 58,667.78, 80,955.54 and 36,007.72 is: 49,686.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,667.78 : 80,955.54 = 36,007.72 : x
  2. Step 2: Convert to fraction form
    58,667.78/80,955.54 = 36,007.72/x
  3. Step 3: Cross multiply
    58,667.78x = 80,955.54 × 36,007.72
  4. Step 4: Simplify right side
    58,667.78x = 2,915,024,416.77
  5. Step 5: Solve for x
    x = 2,915,024,416.77/58,667.78
  6. Step 6: Final answer
    x = 49,686.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.