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Finding the Fourth Proportional to 1,598.81, 2,206.64 and 1,009.67

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Solution

The fourth proportional to 1,598.81, 2,206.64 and 1,009.67 is: 1,393.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,598.81 : 2,206.64 = 1,009.67 : x
  2. Step 2: Convert to fraction form
    1,598.81/2,206.64 = 1,009.67/x
  3. Step 3: Cross multiply
    1,598.81x = 2,206.64 × 1,009.67
  4. Step 4: Simplify right side
    1,598.81x = 2,227,973.16
  5. Step 5: Solve for x
    x = 2,227,973.16/1,598.81
  6. Step 6: Final answer
    x = 1,393.52

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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.