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Finding the Fourth Proportional to 6,554.98, 9,818.16 and 5,316.63

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Solution

The fourth proportional to 6,554.98, 9,818.16 and 5,316.63 is: 7,963.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.98 : 9,818.16 = 5,316.63 : x
  2. Step 2: Convert to fraction form
    6,554.98/9,818.16 = 5,316.63/x
  3. Step 3: Cross multiply
    6,554.98x = 9,818.16 × 5,316.63
  4. Step 4: Simplify right side
    6,554.98x = 52,199,524.00
  5. Step 5: Solve for x
    x = 52,199,524.00/6,554.98
  6. Step 6: Final answer
    x = 7,963.34

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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.