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Finding the Fourth Proportional to 18,482.46, 25,510.37 and 10,529.40

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Solution

The fourth proportional to 18,482.46, 25,510.37 and 10,529.40 is: 14,533.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,482.46 : 25,510.37 = 10,529.40 : x
  2. Step 2: Convert to fraction form
    18,482.46/25,510.37 = 10,529.40/x
  3. Step 3: Cross multiply
    18,482.46x = 25,510.37 × 10,529.40
  4. Step 4: Simplify right side
    18,482.46x = 268,608,837.23
  5. Step 5: Solve for x
    x = 268,608,837.23/18,482.46
  6. Step 6: Final answer
    x = 14,533.18

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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.