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Finding the Fourth Proportional to 18,469.16, 25,483.14 and 10,510.76

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Solution

The fourth proportional to 18,469.16, 25,483.14 and 10,510.76 is: 14,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,469.16 : 25,483.14 = 10,510.76 : x
  2. Step 2: Convert to fraction form
    18,469.16/25,483.14 = 10,510.76/x
  3. Step 3: Cross multiply
    18,469.16x = 25,483.14 × 10,510.76
  4. Step 4: Simplify right side
    18,469.16x = 267,847,168.59
  5. Step 5: Solve for x
    x = 267,847,168.59/18,469.16
  6. Step 6: Final answer
    x = 14,502.40

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.