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Finding the Fourth Proportional to 15,988.87, 23,973.06 and 6,635.34

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Solution

The fourth proportional to 15,988.87, 23,973.06 and 6,635.34 is: 9,948.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,988.87 : 23,973.06 = 6,635.34 : x
  2. Step 2: Convert to fraction form
    15,988.87/23,973.06 = 6,635.34/x
  3. Step 3: Cross multiply
    15,988.87x = 23,973.06 × 6,635.34
  4. Step 4: Simplify right side
    15,988.87x = 159,069,440.26
  5. Step 5: Solve for x
    x = 159,069,440.26/15,988.87
  6. Step 6: Final answer
    x = 9,948.76

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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.