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Finding the Fourth Proportional to 62,807.04, 86,674.20 and 34,513.20

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Solution

The fourth proportional to 62,807.04, 86,674.20 and 34,513.20 is: 47,628.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,807.04 : 86,674.20 = 34,513.20 : x
  2. Step 2: Convert to fraction form
    62,807.04/86,674.20 = 34,513.20/x
  3. Step 3: Cross multiply
    62,807.04x = 86,674.20 × 34,513.20
  4. Step 4: Simplify right side
    62,807.04x = 2,991,403,999.44
  5. Step 5: Solve for x
    x = 2,991,403,999.44/62,807.04
  6. Step 6: Final answer
    x = 47,628.48

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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.