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Finding the Fourth Proportional to 64,034.97, 96,066.74 and 19,666.20

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Solution

The fourth proportional to 64,034.97, 96,066.74 and 19,666.20 is: 29,503.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,034.97 : 96,066.74 = 19,666.20 : x
  2. Step 2: Convert to fraction form
    64,034.97/96,066.74 = 19,666.20/x
  3. Step 3: Cross multiply
    64,034.97x = 96,066.74 × 19,666.20
  4. Step 4: Simplify right side
    64,034.97x = 1,889,267,623.86
  5. Step 5: Solve for x
    x = 1,889,267,623.86/64,034.97
  6. Step 6: Final answer
    x = 29,503.69

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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.