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Finding the Fourth Proportional to 39,003.57, 53,831.93 and 22,013.01

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Solution

The fourth proportional to 39,003.57, 53,831.93 and 22,013.01 is: 30,381.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,003.57 : 53,831.93 = 22,013.01 : x
  2. Step 2: Convert to fraction form
    39,003.57/53,831.93 = 22,013.01/x
  3. Step 3: Cross multiply
    39,003.57x = 53,831.93 × 22,013.01
  4. Step 4: Simplify right side
    39,003.57x = 1,185,002,703.34
  5. Step 5: Solve for x
    x = 1,185,002,703.34/39,003.57
  6. Step 6: Final answer
    x = 30,381.90

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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.