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Finding the Fourth Proportional to 2,355.06, 3,533.51 and 875.19

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Solution

The fourth proportional to 2,355.06, 3,533.51 and 875.19 is: 1,313.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.06 : 3,533.51 = 875.19 : x
  2. Step 2: Convert to fraction form
    2,355.06/3,533.51 = 875.19/x
  3. Step 3: Cross multiply
    2,355.06x = 3,533.51 × 875.19
  4. Step 4: Simplify right side
    2,355.06x = 3,092,492.62
  5. Step 5: Solve for x
    x = 3,092,492.62/2,355.06
  6. Step 6: Final answer
    x = 1,313.13

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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.