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Finding the Fourth Proportional to 60,931.93, 91,388.44 and 23,509.53

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Solution

The fourth proportional to 60,931.93, 91,388.44 and 23,509.53 is: 35,260.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,931.93 : 91,388.44 = 23,509.53 : x
  2. Step 2: Convert to fraction form
    60,931.93/91,388.44 = 23,509.53/x
  3. Step 3: Cross multiply
    60,931.93x = 91,388.44 × 23,509.53
  4. Step 4: Simplify right side
    60,931.93x = 2,148,499,271.83
  5. Step 5: Solve for x
    x = 2,148,499,271.83/60,931.93
  6. Step 6: Final answer
    x = 35,260.65

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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.