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Finding the Fourth Proportional to 6,969.16, 9,616.93 and 4,136.41

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Solution

The fourth proportional to 6,969.16, 9,616.93 and 4,136.41 is: 5,707.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.16 : 9,616.93 = 4,136.41 : x
  2. Step 2: Convert to fraction form
    6,969.16/9,616.93 = 4,136.41/x
  3. Step 3: Cross multiply
    6,969.16x = 9,616.93 × 4,136.41
  4. Step 4: Simplify right side
    6,969.16x = 39,779,565.42
  5. Step 5: Solve for x
    x = 39,779,565.42/6,969.16
  6. Step 6: Final answer
    x = 5,707.94

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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.