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Finding the Fourth Proportional to 28,366.04, 42,549.06 and 7,589

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Solution

The fourth proportional to 28,366.04, 42,549.06 and 7,589 is: 11,383.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.04 : 42,549.06 = 7,589 : x
  2. Step 2: Convert to fraction form
    28,366.04/42,549.06 = 7,589/x
  3. Step 3: Cross multiply
    28,366.04x = 42,549.06 × 7,589
  4. Step 4: Simplify right side
    28,366.04x = 322,904,816.34
  5. Step 5: Solve for x
    x = 322,904,816.34/28,366.04
  6. Step 6: Final answer
    x = 11,383.50

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1.5x scale

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.