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Finding the Fourth Proportional to 15,838.58, 23,763.30 and 5,980.67

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Solution

The fourth proportional to 15,838.58, 23,763.30 and 5,980.67 is: 8,973.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,838.58 : 23,763.30 = 5,980.67 : x
  2. Step 2: Convert to fraction form
    15,838.58/23,763.30 = 5,980.67/x
  3. Step 3: Cross multiply
    15,838.58x = 23,763.30 × 5,980.67
  4. Step 4: Simplify right side
    15,838.58x = 142,120,425.51
  5. Step 5: Solve for x
    x = 142,120,425.51/15,838.58
  6. Step 6: Final answer
    x = 8,973.06

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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.