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Finding the Fourth Proportional to 58,483.81, 80,707.36 and 31,626.25

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Solution

The fourth proportional to 58,483.81, 80,707.36 and 31,626.25 is: 43,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,483.81 : 80,707.36 = 31,626.25 : x
  2. Step 2: Convert to fraction form
    58,483.81/80,707.36 = 31,626.25/x
  3. Step 3: Cross multiply
    58,483.81x = 80,707.36 × 31,626.25
  4. Step 4: Simplify right side
    58,483.81x = 2,552,471,376.64
  5. Step 5: Solve for x
    x = 2,552,471,376.64/58,483.81
  6. Step 6: Final answer
    x = 43,644.07

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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.