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Finding the Fourth Proportional to 1,303.84, 1,798.32 and 1,024.48

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Solution

The fourth proportional to 1,303.84, 1,798.32 and 1,024.48 is: 1,413.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303.84 : 1,798.32 = 1,024.48 : x
  2. Step 2: Convert to fraction form
    1,303.84/1,798.32 = 1,024.48/x
  3. Step 3: Cross multiply
    1,303.84x = 1,798.32 × 1,024.48
  4. Step 4: Simplify right side
    1,303.84x = 1,842,342.87
  5. Step 5: Solve for x
    x = 1,842,342.87/1,303.84
  6. Step 6: Final answer
    x = 1,413.01

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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.