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Finding the Fourth Proportional to 56,012.40, 83,944.80 and 41,151.60

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Solution

The fourth proportional to 56,012.40, 83,944.80 and 41,151.60 is: 61,673.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,012.40 : 83,944.80 = 41,151.60 : x
  2. Step 2: Convert to fraction form
    56,012.40/83,944.80 = 41,151.60/x
  3. Step 3: Cross multiply
    56,012.40x = 83,944.80 × 41,151.60
  4. Step 4: Simplify right side
    56,012.40x = 3,454,462,831.68
  5. Step 5: Solve for x
    x = 3,454,462,831.68/56,012.40
  6. Step 6: Final answer
    x = 61,673.18

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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.