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Finding the Fourth Proportional to 18,465.66, 25,482.51 and 10,082.10

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Solution

The fourth proportional to 18,465.66, 25,482.51 and 10,082.10 is: 13,913.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.66 : 25,482.51 = 10,082.10 : x
  2. Step 2: Convert to fraction form
    18,465.66/25,482.51 = 10,082.10/x
  3. Step 3: Cross multiply
    18,465.66x = 25,482.51 × 10,082.10
  4. Step 4: Simplify right side
    18,465.66x = 256,917,214.07
  5. Step 5: Solve for x
    x = 256,917,214.07/18,465.66
  6. Step 6: Final answer
    x = 13,913.24

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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.