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Finding the Fourth Proportional to 18,482.10, 25,506.81 and 10,526.82

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Solution

The fourth proportional to 18,482.10, 25,506.81 and 10,526.82 is: 14,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.10 : 25,506.81 = 10,526.82 : x
  2. Step 2: Convert to fraction form
    18,482.10/25,506.81 = 10,526.82/x
  3. Step 3: Cross multiply
    18,482.10x = 25,506.81 × 10,526.82
  4. Step 4: Simplify right side
    18,482.10x = 268,505,597.64
  5. Step 5: Solve for x
    x = 268,505,597.64/18,482.10
  6. Step 6: Final answer
    x = 14,527.87

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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.