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Finding the Fourth Proportional to 1,007.06, 1,507.66 and 589.32

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Solution

The fourth proportional to 1,007.06, 1,507.66 and 589.32 is: 882.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007.06 : 1,507.66 = 589.32 : x
  2. Step 2: Convert to fraction form
    1,007.06/1,507.66 = 589.32/x
  3. Step 3: Cross multiply
    1,007.06x = 1,507.66 × 589.32
  4. Step 4: Simplify right side
    1,007.06x = 888,492.72
  5. Step 5: Solve for x
    x = 888,492.72/1,007.06
  6. Step 6: Final answer
    x = 882.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.