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Finding the Fourth Proportional to 8,750.93, 12,071.93 and 5,765.67

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Solution

The fourth proportional to 8,750.93, 12,071.93 and 5,765.67 is: 7,953.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.93 : 12,071.93 = 5,765.67 : x
  2. Step 2: Convert to fraction form
    8,750.93/12,071.93 = 5,765.67/x
  3. Step 3: Cross multiply
    8,750.93x = 12,071.93 × 5,765.67
  4. Step 4: Simplify right side
    8,750.93x = 69,602,735.81
  5. Step 5: Solve for x
    x = 69,602,735.81/8,750.93
  6. Step 6: Final answer
    x = 7,953.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.