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Finding the Fourth Proportional to 58,580.64, 87,857.80 and 26,960.40

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Solution

The fourth proportional to 58,580.64, 87,857.80 and 26,960.40 is: 40,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,580.64 : 87,857.80 = 26,960.40 : x
  2. Step 2: Convert to fraction form
    58,580.64/87,857.80 = 26,960.40/x
  3. Step 3: Cross multiply
    58,580.64x = 87,857.80 × 26,960.40
  4. Step 4: Simplify right side
    58,580.64x = 2,368,681,431.12
  5. Step 5: Solve for x
    x = 2,368,681,431.12/58,580.64
  6. Step 6: Final answer
    x = 40,434.54

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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.