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Finding the Fourth Proportional to 58,989.40, 88,497.06 and 43,359.64

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Solution

The fourth proportional to 58,989.40, 88,497.06 and 43,359.64 is: 65,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,989.40 : 88,497.06 = 43,359.64 : x
  2. Step 2: Convert to fraction form
    58,989.40/88,497.06 = 43,359.64/x
  3. Step 3: Cross multiply
    58,989.40x = 88,497.06 × 43,359.64
  4. Step 4: Simplify right side
    58,989.40x = 3,837,200,278.82
  5. Step 5: Solve for x
    x = 3,837,200,278.82/58,989.40
  6. Step 6: Final answer
    x = 65,048.98

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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.