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Finding the Fourth Proportional to 18,499.51, 25,530.02 and 10,541.53

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Solution

The fourth proportional to 18,499.51, 25,530.02 and 10,541.53 is: 14,547.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,499.51 : 25,530.02 = 10,541.53 : x
  2. Step 2: Convert to fraction form
    18,499.51/25,530.02 = 10,541.53/x
  3. Step 3: Cross multiply
    18,499.51x = 25,530.02 × 10,541.53
  4. Step 4: Simplify right side
    18,499.51x = 269,125,471.73
  5. Step 5: Solve for x
    x = 269,125,471.73/18,499.51
  6. Step 6: Final answer
    x = 14,547.71

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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.