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Finding the Fourth Proportional to 55,005.60, 82,362.60 and 43,341.60

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Solution

The fourth proportional to 55,005.60, 82,362.60 and 43,341.60 is: 64,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,005.60 : 82,362.60 = 43,341.60 : x
  2. Step 2: Convert to fraction form
    55,005.60/82,362.60 = 43,341.60/x
  3. Step 3: Cross multiply
    55,005.60x = 82,362.60 × 43,341.60
  4. Step 4: Simplify right side
    55,005.60x = 3,569,726,864.16
  5. Step 5: Solve for x
    x = 3,569,726,864.16/55,005.60
  6. Step 6: Final answer
    x = 64,897.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.