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Finding the Fourth Proportional to 64,710.78, 97,066.14 and 17,963.64

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Solution

The fourth proportional to 64,710.78, 97,066.14 and 17,963.64 is: 26,945.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,710.78 : 97,066.14 = 17,963.64 : x
  2. Step 2: Convert to fraction form
    64,710.78/97,066.14 = 17,963.64/x
  3. Step 3: Cross multiply
    64,710.78x = 97,066.14 × 17,963.64
  4. Step 4: Simplify right side
    64,710.78x = 1,743,661,195.15
  5. Step 5: Solve for x
    x = 1,743,661,195.15/64,710.78
  6. Step 6: Final answer
    x = 26,945.45

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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.