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Finding the Fourth Proportional to 18,465.68, 25,482.30 and 10,507.73

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Solution

The fourth proportional to 18,465.68, 25,482.30 and 10,507.73 is: 14,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465.68 : 25,482.30 = 10,507.73 : x
  2. Step 2: Convert to fraction form
    18,465.68/25,482.30 = 10,507.73/x
  3. Step 3: Cross multiply
    18,465.68x = 25,482.30 × 10,507.73
  4. Step 4: Simplify right side
    18,465.68x = 267,761,090.74
  5. Step 5: Solve for x
    x = 267,761,090.74/18,465.68
  6. Step 6: Final answer
    x = 14,500.48

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Double scale
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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.