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Finding the Fourth Proportional to 18,468.14, 25,484.02 and 10,509.62

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Solution

The fourth proportional to 18,468.14, 25,484.02 and 10,509.62 is: 14,502.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,468.14 : 25,484.02 = 10,509.62 : x
  2. Step 2: Convert to fraction form
    18,468.14/25,484.02 = 10,509.62/x
  3. Step 3: Cross multiply
    18,468.14x = 25,484.02 × 10,509.62
  4. Step 4: Simplify right side
    18,468.14x = 267,827,212.58
  5. Step 5: Solve for x
    x = 267,827,212.58/18,468.14
  6. Step 6: Final answer
    x = 14,502.13

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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.