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Finding the Fourth Proportional to 58,641.74, 87,962.67 and 14,268.49

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Solution

The fourth proportional to 58,641.74, 87,962.67 and 14,268.49 is: 21,402.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,641.74 : 87,962.67 = 14,268.49 : x
  2. Step 2: Convert to fraction form
    58,641.74/87,962.67 = 14,268.49/x
  3. Step 3: Cross multiply
    58,641.74x = 87,962.67 × 14,268.49
  4. Step 4: Simplify right side
    58,641.74x = 1,255,094,477.27
  5. Step 5: Solve for x
    x = 1,255,094,477.27/58,641.74
  6. Step 6: Final answer
    x = 21,402.75

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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.