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Finding the Fourth Proportional to 34,809.86, 48,037.67 and 18,894.30

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Solution

The fourth proportional to 34,809.86, 48,037.67 and 18,894.30 is: 26,074.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,809.86 : 48,037.67 = 18,894.30 : x
  2. Step 2: Convert to fraction form
    34,809.86/48,037.67 = 18,894.30/x
  3. Step 3: Cross multiply
    34,809.86x = 48,037.67 × 18,894.30
  4. Step 4: Simplify right side
    34,809.86x = 907,638,053.81
  5. Step 5: Solve for x
    x = 907,638,053.81/34,809.86
  6. Step 6: Final answer
    x = 26,074.17

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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.