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Finding the Fourth Proportional to 6,445.04, 8,898.54 and 5,772.54

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Solution

The fourth proportional to 6,445.04, 8,898.54 and 5,772.54 is: 7,970.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,445.04 : 8,898.54 = 5,772.54 : x
  2. Step 2: Convert to fraction form
    6,445.04/8,898.54 = 5,772.54/x
  3. Step 3: Cross multiply
    6,445.04x = 8,898.54 × 5,772.54
  4. Step 4: Simplify right side
    6,445.04x = 51,367,178.09
  5. Step 5: Solve for x
    x = 51,367,178.09/6,445.04
  6. Step 6: Final answer
    x = 7,970.03

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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.