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Finding the Fourth Proportional to 65,022.76, 97,497.66 and 20,641.24

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Solution

The fourth proportional to 65,022.76, 97,497.66 and 20,641.24 is: 30,950.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,022.76 : 97,497.66 = 20,641.24 : x
  2. Step 2: Convert to fraction form
    65,022.76/97,497.66 = 20,641.24/x
  3. Step 3: Cross multiply
    65,022.76x = 97,497.66 × 20,641.24
  4. Step 4: Simplify right side
    65,022.76x = 2,012,472,599.50
  5. Step 5: Solve for x
    x = 2,012,472,599.50/65,022.76
  6. Step 6: Final answer
    x = 30,950.28

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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.