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Finding the Fourth Proportional to 70,003.23, 105,004.40 and 41,931.27

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Solution

The fourth proportional to 70,003.23, 105,004.40 and 41,931.27 is: 62,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003.23 : 105,004.40 = 41,931.27 : x
  2. Step 2: Convert to fraction form
    70,003.23/105,004.40 = 41,931.27/x
  3. Step 3: Cross multiply
    70,003.23x = 105,004.40 × 41,931.27
  4. Step 4: Simplify right side
    70,003.23x = 4,402,967,847.59
  5. Step 5: Solve for x
    x = 4,402,967,847.59/70,003.23
  6. Step 6: Final answer
    x = 62,896.64

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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.