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Finding the Fourth Proportional to 72,865.59, 100,558.80 and 44,576.70

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Solution

The fourth proportional to 72,865.59, 100,558.80 and 44,576.70 is: 61,518.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,865.59 : 100,558.80 = 44,576.70 : x
  2. Step 2: Convert to fraction form
    72,865.59/100,558.80 = 44,576.70/x
  3. Step 3: Cross multiply
    72,865.59x = 100,558.80 × 44,576.70
  4. Step 4: Simplify right side
    72,865.59x = 4,482,579,459.96
  5. Step 5: Solve for x
    x = 4,482,579,459.96/72,865.59
  6. Step 6: Final answer
    x = 61,518.47

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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.