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Finding the Fourth Proportional to 1,505.99, 2,087.12 and 1,482.92

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Solution

The fourth proportional to 1,505.99, 2,087.12 and 1,482.92 is: 2,055.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505.99 : 2,087.12 = 1,482.92 : x
  2. Step 2: Convert to fraction form
    1,505.99/2,087.12 = 1,482.92/x
  3. Step 3: Cross multiply
    1,505.99x = 2,087.12 × 1,482.92
  4. Step 4: Simplify right side
    1,505.99x = 3,095,031.99
  5. Step 5: Solve for x
    x = 3,095,031.99/1,505.99
  6. Step 6: Final answer
    x = 2,055.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.