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Finding the Fourth Proportional to 50,525.76, 75,790.88 and 19,358.72

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Solution

The fourth proportional to 50,525.76, 75,790.88 and 19,358.72 is: 29,038.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,525.76 : 75,790.88 = 19,358.72 : x
  2. Step 2: Convert to fraction form
    50,525.76/75,790.88 = 19,358.72/x
  3. Step 3: Cross multiply
    50,525.76x = 75,790.88 × 19,358.72
  4. Step 4: Simplify right side
    50,525.76x = 1,467,214,424.47
  5. Step 5: Solve for x
    x = 1,467,214,424.47/50,525.76
  6. Step 6: Final answer
    x = 29,038.94

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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.