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Finding the Fourth Proportional to 58,418.66, 87,627.99 and 14,045.42

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Solution

The fourth proportional to 58,418.66, 87,627.99 and 14,045.42 is: 21,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,418.66 : 87,627.99 = 14,045.42 : x
  2. Step 2: Convert to fraction form
    58,418.66/87,627.99 = 14,045.42/x
  3. Step 3: Cross multiply
    58,418.66x = 87,627.99 × 14,045.42
  4. Step 4: Simplify right side
    58,418.66x = 1,230,771,537.84
  5. Step 5: Solve for x
    x = 1,230,771,537.84/58,418.66
  6. Step 6: Final answer
    x = 21,068.12

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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.