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Finding the Fourth Proportional to 15,989.99, 23,985.04 and 4,896.63

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Solution

The fourth proportional to 15,989.99, 23,985.04 and 4,896.63 is: 7,344.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,989.99 : 23,985.04 = 4,896.63 : x
  2. Step 2: Convert to fraction form
    15,989.99/23,985.04 = 4,896.63/x
  3. Step 3: Cross multiply
    15,989.99x = 23,985.04 × 4,896.63
  4. Step 4: Simplify right side
    15,989.99x = 117,445,854.17
  5. Step 5: Solve for x
    x = 117,445,854.17/15,989.99
  6. Step 6: Final answer
    x = 7,344.96

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Double scale
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Similar ratio
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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.