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Finding the Fourth Proportional to 32,828.87, 45,303.80 and 19,404.96

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Solution

The fourth proportional to 32,828.87, 45,303.80 and 19,404.96 is: 26,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,828.87 : 45,303.80 = 19,404.96 : x
  2. Step 2: Convert to fraction form
    32,828.87/45,303.80 = 19,404.96/x
  3. Step 3: Cross multiply
    32,828.87x = 45,303.80 × 19,404.96
  4. Step 4: Simplify right side
    32,828.87x = 879,118,329.82
  5. Step 5: Solve for x
    x = 879,118,329.82/32,828.87
  6. Step 6: Final answer
    x = 26,778.82

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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.