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Finding the Fourth Proportional to 5,870.26, 8,803.16 and 1,920.57

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Solution

The fourth proportional to 5,870.26, 8,803.16 and 1,920.57 is: 2,880.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.26 : 8,803.16 = 1,920.57 : x
  2. Step 2: Convert to fraction form
    5,870.26/8,803.16 = 1,920.57/x
  3. Step 3: Cross multiply
    5,870.26x = 8,803.16 × 1,920.57
  4. Step 4: Simplify right side
    5,870.26x = 16,907,085.00
  5. Step 5: Solve for x
    x = 16,907,085.00/5,870.26
  6. Step 6: Final answer
    x = 2,880.13

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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.