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Finding the Fourth Proportional to 1,233.01, 1,700.19 and 1,116.37

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Solution

The fourth proportional to 1,233.01, 1,700.19 and 1,116.37 is: 1,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,233.01 : 1,700.19 = 1,116.37 : x
  2. Step 2: Convert to fraction form
    1,233.01/1,700.19 = 1,116.37/x
  3. Step 3: Cross multiply
    1,233.01x = 1,700.19 × 1,116.37
  4. Step 4: Simplify right side
    1,233.01x = 1,898,041.11
  5. Step 5: Solve for x
    x = 1,898,041.11/1,233.01
  6. Step 6: Final answer
    x = 1,539.36

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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.