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Finding the Fourth Proportional to 58,948.70, 88,392.65 and 17,390.30

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Solution

The fourth proportional to 58,948.70, 88,392.65 and 17,390.30 is: 26,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,948.70 : 88,392.65 = 17,390.30 : x
  2. Step 2: Convert to fraction form
    58,948.70/88,392.65 = 17,390.30/x
  3. Step 3: Cross multiply
    58,948.70x = 88,392.65 × 17,390.30
  4. Step 4: Simplify right side
    58,948.70x = 1,537,174,701.30
  5. Step 5: Solve for x
    x = 1,537,174,701.30/58,948.70
  6. Step 6: Final answer
    x = 26,076.48

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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.