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Finding the Fourth Proportional to 62,823, 86,695.74 and 34,528.69

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Solution

The fourth proportional to 62,823, 86,695.74 and 34,528.69 is: 47,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,823 : 86,695.74 = 34,528.69 : x
  2. Step 2: Convert to fraction form
    62,823/86,695.74 = 34,528.69/x
  3. Step 3: Cross multiply
    62,823x = 86,695.74 × 34,528.69
  4. Step 4: Simplify right side
    62,823x = 2,993,490,114.04
  5. Step 5: Solve for x
    x = 2,993,490,114.04/62,823
  6. Step 6: Final answer
    x = 47,649.59

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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.