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Finding the Fourth Proportional to 65,021.94, 97,522.95 and 20,642.94

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Solution

The fourth proportional to 65,021.94, 97,522.95 and 20,642.94 is: 30,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,021.94 : 97,522.95 = 20,642.94 : x
  2. Step 2: Convert to fraction form
    65,021.94/97,522.95 = 20,642.94/x
  3. Step 3: Cross multiply
    65,021.94x = 97,522.95 × 20,642.94
  4. Step 4: Simplify right side
    65,021.94x = 2,013,160,405.47
  5. Step 5: Solve for x
    x = 2,013,160,405.47/65,021.94
  6. Step 6: Final answer
    x = 30,961.25

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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.