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Finding the Fourth Proportional to 58,751.84, 88,098.48 and 21,310.40

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Solution

The fourth proportional to 58,751.84, 88,098.48 and 21,310.40 is: 31,954.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,751.84 : 88,098.48 = 21,310.40 : x
  2. Step 2: Convert to fraction form
    58,751.84/88,098.48 = 21,310.40/x
  3. Step 3: Cross multiply
    58,751.84x = 88,098.48 × 21,310.40
  4. Step 4: Simplify right side
    58,751.84x = 1,877,413,848.19
  5. Step 5: Solve for x
    x = 1,877,413,848.19/58,751.84
  6. Step 6: Final answer
    x = 31,954.98

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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.