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Finding the Fourth Proportional to 76,802.56, 106,001.28 and 44,969.60

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Solution

The fourth proportional to 76,802.56, 106,001.28 and 44,969.60 is: 62,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,802.56 : 106,001.28 = 44,969.60 : x
  2. Step 2: Convert to fraction form
    76,802.56/106,001.28 = 44,969.60/x
  3. Step 3: Cross multiply
    76,802.56x = 106,001.28 × 44,969.60
  4. Step 4: Simplify right side
    76,802.56x = 4,766,835,161.09
  5. Step 5: Solve for x
    x = 4,766,835,161.09/76,802.56
  6. Step 6: Final answer
    x = 62,066.10

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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.