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Finding the Fourth Proportional to 58,665.63, 87,243.71 and 56,797.28

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Solution

The fourth proportional to 58,665.63, 87,243.71 and 56,797.28 is: 84,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,665.63 : 87,243.71 = 56,797.28 : x
  2. Step 2: Convert to fraction form
    58,665.63/87,243.71 = 56,797.28/x
  3. Step 3: Cross multiply
    58,665.63x = 87,243.71 × 56,797.28
  4. Step 4: Simplify right side
    58,665.63x = 4,955,205,425.11
  5. Step 5: Solve for x
    x = 4,955,205,425.11/58,665.63
  6. Step 6: Final answer
    x = 84,465.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.