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Finding the Fourth Proportional to 65,078.84, 97,632.59 and 27,670.91

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Solution

The fourth proportional to 65,078.84, 97,632.59 and 27,670.91 is: 41,512.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,078.84 : 97,632.59 = 27,670.91 : x
  2. Step 2: Convert to fraction form
    65,078.84/97,632.59 = 27,670.91/x
  3. Step 3: Cross multiply
    65,078.84x = 97,632.59 × 27,670.91
  4. Step 4: Simplify right side
    65,078.84x = 2,701,581,984.44
  5. Step 5: Solve for x
    x = 2,701,581,984.44/65,078.84
  6. Step 6: Final answer
    x = 41,512.45

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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.