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Finding the Fourth Proportional to 64,681.74, 97,021.80 and 22,561.74

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Solution

The fourth proportional to 64,681.74, 97,021.80 and 22,561.74 is: 33,842.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,681.74 : 97,021.80 = 22,561.74 : x
  2. Step 2: Convert to fraction form
    64,681.74/97,021.80 = 22,561.74/x
  3. Step 3: Cross multiply
    64,681.74x = 97,021.80 × 22,561.74
  4. Step 4: Simplify right side
    64,681.74x = 2,188,980,625.93
  5. Step 5: Solve for x
    x = 2,188,980,625.93/64,681.74
  6. Step 6: Final answer
    x = 33,842.33

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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.