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Finding the Fourth Proportional to 34,809.80, 48,037.77 and 18,894.25

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Solution

The fourth proportional to 34,809.80, 48,037.77 and 18,894.25 is: 26,074.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,809.80 : 48,037.77 = 18,894.25 : x
  2. Step 2: Convert to fraction form
    34,809.80/48,037.77 = 18,894.25/x
  3. Step 3: Cross multiply
    34,809.80x = 48,037.77 × 18,894.25
  4. Step 4: Simplify right side
    34,809.80x = 907,637,372.52
  5. Step 5: Solve for x
    x = 907,637,372.52/34,809.80
  6. Step 6: Final answer
    x = 26,074.19

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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.