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Finding the Fourth Proportional to 58,756.80, 88,185.60 and 23,721.60

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Solution

The fourth proportional to 58,756.80, 88,185.60 and 23,721.60 is: 35,602.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,756.80 : 88,185.60 = 23,721.60 : x
  2. Step 2: Convert to fraction form
    58,756.80/88,185.60 = 23,721.60/x
  3. Step 3: Cross multiply
    58,756.80x = 88,185.60 × 23,721.60
  4. Step 4: Simplify right side
    58,756.80x = 2,091,903,528.96
  5. Step 5: Solve for x
    x = 2,091,903,528.96/58,756.80
  6. Step 6: Final answer
    x = 35,602.75

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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.