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Finding the Fourth Proportional to 5,875.80, 8,802.32 and 3,655.51

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Solution

The fourth proportional to 5,875.80, 8,802.32 and 3,655.51 is: 5,476.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,875.80 : 8,802.32 = 3,655.51 : x
  2. Step 2: Convert to fraction form
    5,875.80/8,802.32 = 3,655.51/x
  3. Step 3: Cross multiply
    5,875.80x = 8,802.32 × 3,655.51
  4. Step 4: Simplify right side
    5,875.80x = 32,176,968.78
  5. Step 5: Solve for x
    x = 32,176,968.78/5,875.80
  6. Step 6: Final answer
    x = 5,476.19

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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.