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Finding the Fourth Proportional to 9,886.08, 13,602.24 and 9,610.08

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Solution

The fourth proportional to 9,886.08, 13,602.24 and 9,610.08 is: 13,222.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,886.08 : 13,602.24 = 9,610.08 : x
  2. Step 2: Convert to fraction form
    9,886.08/13,602.24 = 9,610.08/x
  3. Step 3: Cross multiply
    9,886.08x = 13,602.24 × 9,610.08
  4. Step 4: Simplify right side
    9,886.08x = 130,718,614.58
  5. Step 5: Solve for x
    x = 130,718,614.58/9,886.08
  6. Step 6: Final answer
    x = 13,222.49

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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.