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Finding the Fourth Proportional to 65,339.64, 98,009.10 and 18,592.56

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Solution

The fourth proportional to 65,339.64, 98,009.10 and 18,592.56 is: 27,888.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,339.64 : 98,009.10 = 18,592.56 : x
  2. Step 2: Convert to fraction form
    65,339.64/98,009.10 = 18,592.56/x
  3. Step 3: Cross multiply
    65,339.64x = 98,009.10 × 18,592.56
  4. Step 4: Simplify right side
    65,339.64x = 1,822,240,072.30
  5. Step 5: Solve for x
    x = 1,822,240,072.30/65,339.64
  6. Step 6: Final answer
    x = 27,888.74

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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.