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Finding the Fourth Proportional to 8,985.84, 13,470.42 and 4,593.60

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Solution

The fourth proportional to 8,985.84, 13,470.42 and 4,593.60 is: 6,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.84 : 13,470.42 = 4,593.60 : x
  2. Step 2: Convert to fraction form
    8,985.84/13,470.42 = 4,593.60/x
  3. Step 3: Cross multiply
    8,985.84x = 13,470.42 × 4,593.60
  4. Step 4: Simplify right side
    8,985.84x = 61,877,721.31
  5. Step 5: Solve for x
    x = 61,877,721.31/8,985.84
  6. Step 6: Final answer
    x = 6,886.14

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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.