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Finding the Fourth Proportional to 58,657.30, 87,972.36 and 34,971.51

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Solution

The fourth proportional to 58,657.30, 87,972.36 and 34,971.51 is: 52,449.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,657.30 : 87,972.36 = 34,971.51 : x
  2. Step 2: Convert to fraction form
    58,657.30/87,972.36 = 34,971.51/x
  3. Step 3: Cross multiply
    58,657.30x = 87,972.36 × 34,971.51
  4. Step 4: Simplify right side
    58,657.30x = 3,076,526,267.46
  5. Step 5: Solve for x
    x = 3,076,526,267.46/58,657.30
  6. Step 6: Final answer
    x = 52,449.16

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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.