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Finding the Fourth Proportional to 8,843.40, 13,275.90 and 4,458.60

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Solution

The fourth proportional to 8,843.40, 13,275.90 and 4,458.60 is: 6,693.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.40 : 13,275.90 = 4,458.60 : x
  2. Step 2: Convert to fraction form
    8,843.40/13,275.90 = 4,458.60/x
  3. Step 3: Cross multiply
    8,843.40x = 13,275.90 × 4,458.60
  4. Step 4: Simplify right side
    8,843.40x = 59,191,927.74
  5. Step 5: Solve for x
    x = 59,191,927.74/8,843.40
  6. Step 6: Final answer
    x = 6,693.35

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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.