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Finding the Fourth Proportional to 9,841.64, 13,573.09 and 6,654.08

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Solution

The fourth proportional to 9,841.64, 13,573.09 and 6,654.08 is: 9,176.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,841.64 : 13,573.09 = 6,654.08 : x
  2. Step 2: Convert to fraction form
    9,841.64/13,573.09 = 6,654.08/x
  3. Step 3: Cross multiply
    9,841.64x = 13,573.09 × 6,654.08
  4. Step 4: Simplify right side
    9,841.64x = 90,316,444.00
  5. Step 5: Solve for x
    x = 90,316,444.00/9,841.64
  6. Step 6: Final answer
    x = 9,176.98

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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.