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Finding the Fourth Proportional to 6,461.80, 8,913.54 and 4,362.28

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Solution

The fourth proportional to 6,461.80, 8,913.54 and 4,362.28 is: 6,017.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,461.80 : 8,913.54 = 4,362.28 : x
  2. Step 2: Convert to fraction form
    6,461.80/8,913.54 = 4,362.28/x
  3. Step 3: Cross multiply
    6,461.80x = 8,913.54 × 4,362.28
  4. Step 4: Simplify right side
    6,461.80x = 38,883,357.27
  5. Step 5: Solve for x
    x = 38,883,357.27/6,461.80
  6. Step 6: Final answer
    x = 6,017.42

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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.