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Finding the Fourth Proportional to 15,483.60, 23,227.02 and 6,719.40

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Solution

The fourth proportional to 15,483.60, 23,227.02 and 6,719.40 is: 10,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,483.60 : 23,227.02 = 6,719.40 : x
  2. Step 2: Convert to fraction form
    15,483.60/23,227.02 = 6,719.40/x
  3. Step 3: Cross multiply
    15,483.60x = 23,227.02 × 6,719.40
  4. Step 4: Simplify right side
    15,483.60x = 156,071,638.19
  5. Step 5: Solve for x
    x = 156,071,638.19/15,483.60
  6. Step 6: Final answer
    x = 10,079.80

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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.