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Finding the Fourth Proportional to 65,106.99, 97,653.42 and 20,730.25

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Solution

The fourth proportional to 65,106.99, 97,653.42 and 20,730.25 is: 31,093.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,106.99 : 97,653.42 = 20,730.25 : x
  2. Step 2: Convert to fraction form
    65,106.99/97,653.42 = 20,730.25/x
  3. Step 3: Cross multiply
    65,106.99x = 97,653.42 × 20,730.25
  4. Step 4: Simplify right side
    65,106.99x = 2,024,380,264.98
  5. Step 5: Solve for x
    x = 2,024,380,264.98/65,106.99
  6. Step 6: Final answer
    x = 31,093.13

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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.