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Finding the Fourth Proportional to 23,506, 35,225.84 and 12,980.76

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Solution

The fourth proportional to 23,506, 35,225.84 and 12,980.76 is: 19,452.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,506 : 35,225.84 = 12,980.76 : x
  2. Step 2: Convert to fraction form
    23,506/35,225.84 = 12,980.76/x
  3. Step 3: Cross multiply
    23,506x = 35,225.84 × 12,980.76
  4. Step 4: Simplify right side
    23,506x = 457,258,174.84
  5. Step 5: Solve for x
    x = 457,258,174.84/23,506
  6. Step 6: Final answer
    x = 19,452.83

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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.