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Finding the Fourth Proportional to 53,894.72, 80,806.87 and 25,813.86

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Solution

The fourth proportional to 53,894.72, 80,806.87 and 25,813.86 is: 38,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,894.72 : 80,806.87 = 25,813.86 : x
  2. Step 2: Convert to fraction form
    53,894.72/80,806.87 = 25,813.86/x
  3. Step 3: Cross multiply
    53,894.72x = 80,806.87 × 25,813.86
  4. Step 4: Simplify right side
    53,894.72x = 2,085,937,495.06
  5. Step 5: Solve for x
    x = 2,085,937,495.06/53,894.72
  6. Step 6: Final answer
    x = 38,703.93

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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.