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Finding the Fourth Proportional to 58,866.48, 81,253.53 and 40,014.54

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Solution

The fourth proportional to 58,866.48, 81,253.53 and 40,014.54 is: 55,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,866.48 : 81,253.53 = 40,014.54 : x
  2. Step 2: Convert to fraction form
    58,866.48/81,253.53 = 40,014.54/x
  3. Step 3: Cross multiply
    58,866.48x = 81,253.53 × 40,014.54
  4. Step 4: Simplify right side
    58,866.48x = 3,251,322,626.33
  5. Step 5: Solve for x
    x = 3,251,322,626.33/58,866.48
  6. Step 6: Final answer
    x = 55,232.16

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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.