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Finding the Fourth Proportional to 62,903.48, 86,807.16 and 36,047.12

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Solution

The fourth proportional to 62,903.48, 86,807.16 and 36,047.12 is: 49,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,903.48 : 86,807.16 = 36,047.12 : x
  2. Step 2: Convert to fraction form
    62,903.48/86,807.16 = 36,047.12/x
  3. Step 3: Cross multiply
    62,903.48x = 86,807.16 × 36,047.12
  4. Step 4: Simplify right side
    62,903.48x = 3,129,147,679.34
  5. Step 5: Solve for x
    x = 3,129,147,679.34/62,903.48
  6. Step 6: Final answer
    x = 49,745.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.