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Finding the Fourth Proportional to 58,900.64, 88,338.53 and 19,448.78

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Solution

The fourth proportional to 58,900.64, 88,338.53 and 19,448.78 is: 29,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,900.64 : 88,338.53 = 19,448.78 : x
  2. Step 2: Convert to fraction form
    58,900.64/88,338.53 = 19,448.78/x
  3. Step 3: Cross multiply
    58,900.64x = 88,338.53 × 19,448.78
  4. Step 4: Simplify right side
    58,900.64x = 1,718,076,242.42
  5. Step 5: Solve for x
    x = 1,718,076,242.42/58,900.64
  6. Step 6: Final answer
    x = 29,169.06

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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.