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Finding the Fourth Proportional to 55,287.66, 76,250.02 and 46,715.84

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Solution

The fourth proportional to 55,287.66, 76,250.02 and 46,715.84 is: 64,428.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,287.66 : 76,250.02 = 46,715.84 : x
  2. Step 2: Convert to fraction form
    55,287.66/76,250.02 = 46,715.84/x
  3. Step 3: Cross multiply
    55,287.66x = 76,250.02 × 46,715.84
  4. Step 4: Simplify right side
    55,287.66x = 3,562,083,734.32
  5. Step 5: Solve for x
    x = 3,562,083,734.32/55,287.66
  6. Step 6: Final answer
    x = 64,428.19

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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.