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Finding the Fourth Proportional to 76,658.50, 105,772.80 and 44,821.24

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Solution

The fourth proportional to 76,658.50, 105,772.80 and 44,821.24 is: 61,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,658.50 : 105,772.80 = 44,821.24 : x
  2. Step 2: Convert to fraction form
    76,658.50/105,772.80 = 44,821.24/x
  3. Step 3: Cross multiply
    76,658.50x = 105,772.80 × 44,821.24
  4. Step 4: Simplify right side
    76,658.50x = 4,740,868,054.27
  5. Step 5: Solve for x
    x = 4,740,868,054.27/76,658.50
  6. Step 6: Final answer
    x = 61,844.00

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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.