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Finding the Fourth Proportional to 25,332.39, 38,005.91 and 7,804.80

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Solution

The fourth proportional to 25,332.39, 38,005.91 and 7,804.80 is: 11,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,332.39 : 38,005.91 = 7,804.80 : x
  2. Step 2: Convert to fraction form
    25,332.39/38,005.91 = 7,804.80/x
  3. Step 3: Cross multiply
    25,332.39x = 38,005.91 × 7,804.80
  4. Step 4: Simplify right side
    25,332.39x = 296,628,487.34
  5. Step 5: Solve for x
    x = 296,628,487.34/25,332.39
  6. Step 6: Final answer
    x = 11,709.46

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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.