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Finding the Fourth Proportional to 58,603.69, 80,856.68 and 36,802.31

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Solution

The fourth proportional to 58,603.69, 80,856.68 and 36,802.31 is: 50,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,603.69 : 80,856.68 = 36,802.31 : x
  2. Step 2: Convert to fraction form
    58,603.69/80,856.68 = 36,802.31/x
  3. Step 3: Cross multiply
    58,603.69x = 80,856.68 × 36,802.31
  4. Step 4: Simplify right side
    58,603.69x = 2,975,712,418.92
  5. Step 5: Solve for x
    x = 2,975,712,418.92/58,603.69
  6. Step 6: Final answer
    x = 50,776.88

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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.