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Finding the Fourth Proportional to 64,283.64, 96,415.56 and 17,540.16

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Solution

The fourth proportional to 64,283.64, 96,415.56 and 17,540.16 is: 26,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,283.64 : 96,415.56 = 17,540.16 : x
  2. Step 2: Convert to fraction form
    64,283.64/96,415.56 = 17,540.16/x
  3. Step 3: Cross multiply
    64,283.64x = 96,415.56 × 17,540.16
  4. Step 4: Simplify right side
    64,283.64x = 1,691,144,348.89
  5. Step 5: Solve for x
    x = 1,691,144,348.89/64,283.64
  6. Step 6: Final answer
    x = 26,307.54

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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.