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Finding the Fourth Proportional to 76,457.35, 105,511.85 and 44,620.10

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Solution

The fourth proportional to 76,457.35, 105,511.85 and 44,620.10 is: 61,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,457.35 : 105,511.85 = 44,620.10 : x
  2. Step 2: Convert to fraction form
    76,457.35/105,511.85 = 44,620.10/x
  3. Step 3: Cross multiply
    76,457.35x = 105,511.85 × 44,620.10
  4. Step 4: Simplify right side
    76,457.35x = 4,707,949,298.19
  5. Step 5: Solve for x
    x = 4,707,949,298.19/76,457.35
  6. Step 6: Final answer
    x = 61,576.15

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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.