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Finding the Fourth Proportional to 34,894.53, 48,153.42 and 19,788.57

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Solution

The fourth proportional to 34,894.53, 48,153.42 and 19,788.57 is: 27,307.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,894.53 : 48,153.42 = 19,788.57 : x
  2. Step 2: Convert to fraction form
    34,894.53/48,153.42 = 19,788.57/x
  3. Step 3: Cross multiply
    34,894.53x = 48,153.42 × 19,788.57
  4. Step 4: Simplify right side
    34,894.53x = 952,887,322.41
  5. Step 5: Solve for x
    x = 952,887,322.41/34,894.53
  6. Step 6: Final answer
    x = 27,307.64

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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.