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Finding the Fourth Proportional to 58,676.32, 88,030.90 and 19,261.12

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Solution

The fourth proportional to 58,676.32, 88,030.90 and 19,261.12 is: 28,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,676.32 : 88,030.90 = 19,261.12 : x
  2. Step 2: Convert to fraction form
    58,676.32/88,030.90 = 19,261.12/x
  3. Step 3: Cross multiply
    58,676.32x = 88,030.90 × 19,261.12
  4. Step 4: Simplify right side
    58,676.32x = 1,695,573,450.08
  5. Step 5: Solve for x
    x = 1,695,573,450.08/58,676.32
  6. Step 6: Final answer
    x = 28,897.06

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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.