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Finding the Fourth Proportional to 50,003.70, 75,005.55 and 46,358.70

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Solution

The fourth proportional to 50,003.70, 75,005.55 and 46,358.70 is: 69,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,003.70 : 75,005.55 = 46,358.70 : x
  2. Step 2: Convert to fraction form
    50,003.70/75,005.55 = 46,358.70/x
  3. Step 3: Cross multiply
    50,003.70x = 75,005.55 × 46,358.70
  4. Step 4: Simplify right side
    50,003.70x = 3,477,159,790.79
  5. Step 5: Solve for x
    x = 3,477,159,790.79/50,003.70
  6. Step 6: Final answer
    x = 69,538.05

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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.