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Finding the Fourth Proportional to 45,225.82, 67,813.87 and 35,925.40

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Solution

The fourth proportional to 45,225.82, 67,813.87 and 35,925.40 is: 53,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,225.82 : 67,813.87 = 35,925.40 : x
  2. Step 2: Convert to fraction form
    45,225.82/67,813.87 = 35,925.40/x
  3. Step 3: Cross multiply
    45,225.82x = 67,813.87 × 35,925.40
  4. Step 4: Simplify right side
    45,225.82x = 2,436,240,405.30
  5. Step 5: Solve for x
    x = 2,436,240,405.30/45,225.82
  6. Step 6: Final answer
    x = 53,868.35

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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.