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Finding the Fourth Proportional to 7,039.08, 10,551.80 and 3,916.23

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Solution

The fourth proportional to 7,039.08, 10,551.80 and 3,916.23 is: 5,870.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,039.08 : 10,551.80 = 3,916.23 : x
  2. Step 2: Convert to fraction form
    7,039.08/10,551.80 = 3,916.23/x
  3. Step 3: Cross multiply
    7,039.08x = 10,551.80 × 3,916.23
  4. Step 4: Simplify right side
    7,039.08x = 41,323,256.13
  5. Step 5: Solve for x
    x = 41,323,256.13/7,039.08
  6. Step 6: Final answer
    x = 5,870.55

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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.