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Finding the Fourth Proportional to 17,615.64, 26,423.46 and 9,407.64

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Solution

The fourth proportional to 17,615.64, 26,423.46 and 9,407.64 is: 14,111.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,615.64 : 26,423.46 = 9,407.64 : x
  2. Step 2: Convert to fraction form
    17,615.64/26,423.46 = 9,407.64/x
  3. Step 3: Cross multiply
    17,615.64x = 26,423.46 × 9,407.64
  4. Step 4: Simplify right side
    17,615.64x = 248,582,399.23
  5. Step 5: Solve for x
    x = 248,582,399.23/17,615.64
  6. Step 6: Final answer
    x = 14,111.46

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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.