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Finding the Fourth Proportional to 65,803.58, 90,882.71 and 44,545.94

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Solution

The fourth proportional to 65,803.58, 90,882.71 and 44,545.94 is: 61,523.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,803.58 : 90,882.71 = 44,545.94 : x
  2. Step 2: Convert to fraction form
    65,803.58/90,882.71 = 44,545.94/x
  3. Step 3: Cross multiply
    65,803.58x = 90,882.71 × 44,545.94
  4. Step 4: Simplify right side
    65,803.58x = 4,048,455,069.55
  5. Step 5: Solve for x
    x = 4,048,455,069.55/65,803.58
  6. Step 6: Final answer
    x = 61,523.33

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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.