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Finding the Fourth Proportional to 15,655.92, 23,500.30 and 8,258.40

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Solution

The fourth proportional to 15,655.92, 23,500.30 and 8,258.40 is: 12,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.92 : 23,500.30 = 8,258.40 : x
  2. Step 2: Convert to fraction form
    15,655.92/23,500.30 = 8,258.40/x
  3. Step 3: Cross multiply
    15,655.92x = 23,500.30 × 8,258.40
  4. Step 4: Simplify right side
    15,655.92x = 194,074,877.52
  5. Step 5: Solve for x
    x = 194,074,877.52/15,655.92
  6. Step 6: Final answer
    x = 12,396.26

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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.