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Finding the Fourth Proportional to 1,473.19, 2,033.01 and 810.06

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Solution

The fourth proportional to 1,473.19, 2,033.01 and 810.06 is: 1,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.19 : 2,033.01 = 810.06 : x
  2. Step 2: Convert to fraction form
    1,473.19/2,033.01 = 810.06/x
  3. Step 3: Cross multiply
    1,473.19x = 2,033.01 × 810.06
  4. Step 4: Simplify right side
    1,473.19x = 1,646,860.08
  5. Step 5: Solve for x
    x = 1,646,860.08/1,473.19
  6. Step 6: Final answer
    x = 1,117.89

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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.