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Finding the Fourth Proportional to 34,496.80, 47,603.52 and 20,354.08

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Solution

The fourth proportional to 34,496.80, 47,603.52 and 20,354.08 is: 28,087.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,496.80 : 47,603.52 = 20,354.08 : x
  2. Step 2: Convert to fraction form
    34,496.80/47,603.52 = 20,354.08/x
  3. Step 3: Cross multiply
    34,496.80x = 47,603.52 × 20,354.08
  4. Step 4: Simplify right side
    34,496.80x = 968,925,854.36
  5. Step 5: Solve for x
    x = 968,925,854.36/34,496.80
  6. Step 6: Final answer
    x = 28,087.41

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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.