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Finding the Fourth Proportional to 58,569.64, 87,853.69 and 14,196.78

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Solution

The fourth proportional to 58,569.64, 87,853.69 and 14,196.78 is: 21,294.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,569.64 : 87,853.69 = 14,196.78 : x
  2. Step 2: Convert to fraction form
    58,569.64/87,853.69 = 14,196.78/x
  3. Step 3: Cross multiply
    58,569.64x = 87,853.69 × 14,196.78
  4. Step 4: Simplify right side
    58,569.64x = 1,247,239,509.12
  5. Step 5: Solve for x
    x = 1,247,239,509.12/58,569.64
  6. Step 6: Final answer
    x = 21,294.98

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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.