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Finding the Fourth Proportional to 76,574.70, 105,677.19 and 44,762.22

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Solution

The fourth proportional to 76,574.70, 105,677.19 and 44,762.22 is: 61,774.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,574.70 : 105,677.19 = 44,762.22 : x
  2. Step 2: Convert to fraction form
    76,574.70/105,677.19 = 44,762.22/x
  3. Step 3: Cross multiply
    76,574.70x = 105,677.19 × 44,762.22
  4. Step 4: Simplify right side
    76,574.70x = 4,730,345,627.76
  5. Step 5: Solve for x
    x = 4,730,345,627.76/76,574.70
  6. Step 6: Final answer
    x = 61,774.26

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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.