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Finding the Fourth Proportional to 6,570.46, 9,854.20 and 1,890.46

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Solution

The fourth proportional to 6,570.46, 9,854.20 and 1,890.46 is: 2,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,570.46 : 9,854.20 = 1,890.46 : x
  2. Step 2: Convert to fraction form
    6,570.46/9,854.20 = 1,890.46/x
  3. Step 3: Cross multiply
    6,570.46x = 9,854.20 × 1,890.46
  4. Step 4: Simplify right side
    6,570.46x = 18,628,970.93
  5. Step 5: Solve for x
    x = 18,628,970.93/6,570.46
  6. Step 6: Final answer
    x = 2,835.26

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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.