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Finding the Fourth Proportional to 55,887.25, 83,831.08 and 53,084.25

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Solution

The fourth proportional to 55,887.25, 83,831.08 and 53,084.25 is: 79,626.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,887.25 : 83,831.08 = 53,084.25 : x
  2. Step 2: Convert to fraction form
    55,887.25/83,831.08 = 53,084.25/x
  3. Step 3: Cross multiply
    55,887.25x = 83,831.08 × 53,084.25
  4. Step 4: Simplify right side
    55,887.25x = 4,450,110,008.49
  5. Step 5: Solve for x
    x = 4,450,110,008.49/55,887.25
  6. Step 6: Final answer
    x = 79,626.57

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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.