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Finding the Fourth Proportional to 58,690.80, 88,079.40 and 23,655.60

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Solution

The fourth proportional to 58,690.80, 88,079.40 and 23,655.60 is: 35,500.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,690.80 : 88,079.40 = 23,655.60 : x
  2. Step 2: Convert to fraction form
    58,690.80/88,079.40 = 23,655.60/x
  3. Step 3: Cross multiply
    58,690.80x = 88,079.40 × 23,655.60
  4. Step 4: Simplify right side
    58,690.80x = 2,083,571,054.64
  5. Step 5: Solve for x
    x = 2,083,571,054.64/58,690.80
  6. Step 6: Final answer
    x = 35,500.81

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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.