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Finding the Fourth Proportional to 1,482.31, 2,045.91 and 944.11

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Solution

The fourth proportional to 1,482.31, 2,045.91 and 944.11 is: 1,303.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482.31 : 2,045.91 = 944.11 : x
  2. Step 2: Convert to fraction form
    1,482.31/2,045.91 = 944.11/x
  3. Step 3: Cross multiply
    1,482.31x = 2,045.91 × 944.11
  4. Step 4: Simplify right side
    1,482.31x = 1,931,564.09
  5. Step 5: Solve for x
    x = 1,931,564.09/1,482.31
  6. Step 6: Final answer
    x = 1,303.08

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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.