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Finding the Fourth Proportional to 76,477.98, 105,540.93 and 44,648.22

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Solution

The fourth proportional to 76,477.98, 105,540.93 and 44,648.22 is: 61,615.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,477.98 : 105,540.93 = 44,648.22 : x
  2. Step 2: Convert to fraction form
    76,477.98/105,540.93 = 44,648.22/x
  3. Step 3: Cross multiply
    76,477.98x = 105,540.93 × 44,648.22
  4. Step 4: Simplify right side
    76,477.98x = 4,712,214,661.64
  5. Step 5: Solve for x
    x = 4,712,214,661.64/76,477.98
  6. Step 6: Final answer
    x = 61,615.31

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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.