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Finding the Fourth Proportional to 18,483.68, 25,501.08 and 14,465

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Solution

The fourth proportional to 18,483.68, 25,501.08 and 14,465 is: 19,956.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483.68 : 25,501.08 = 14,465 : x
  2. Step 2: Convert to fraction form
    18,483.68/25,501.08 = 14,465/x
  3. Step 3: Cross multiply
    18,483.68x = 25,501.08 × 14,465
  4. Step 4: Simplify right side
    18,483.68x = 368,873,122.20
  5. Step 5: Solve for x
    x = 368,873,122.20/18,483.68
  6. Step 6: Final answer
    x = 19,956.69

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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.