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Finding the Fourth Proportional to 64,986.47, 97,479.72 and 23,433.47

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Solution

The fourth proportional to 64,986.47, 97,479.72 and 23,433.47 is: 35,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,986.47 : 97,479.72 = 23,433.47 : x
  2. Step 2: Convert to fraction form
    64,986.47/97,479.72 = 23,433.47/x
  3. Step 3: Cross multiply
    64,986.47x = 97,479.72 × 23,433.47
  4. Step 4: Simplify right side
    64,986.47x = 2,284,287,972.38
  5. Step 5: Solve for x
    x = 2,284,287,972.38/64,986.47
  6. Step 6: Final answer
    x = 35,150.21

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1.5x scale

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.