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Finding the Fourth Proportional to 15,662.61, 23,499.06 and 5,802.63

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Solution

The fourth proportional to 15,662.61, 23,499.06 and 5,802.63 is: 8,705.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,662.61 : 23,499.06 = 5,802.63 : x
  2. Step 2: Convert to fraction form
    15,662.61/23,499.06 = 5,802.63/x
  3. Step 3: Cross multiply
    15,662.61x = 23,499.06 × 5,802.63
  4. Step 4: Simplify right side
    15,662.61x = 136,356,350.53
  5. Step 5: Solve for x
    x = 136,356,350.53/15,662.61
  6. Step 6: Final answer
    x = 8,705.85

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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.