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Finding the Fourth Proportional to 8,741.86, 12,063.48 and 4,762.92

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Solution

The fourth proportional to 8,741.86, 12,063.48 and 4,762.92 is: 6,572.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.86 : 12,063.48 = 4,762.92 : x
  2. Step 2: Convert to fraction form
    8,741.86/12,063.48 = 4,762.92/x
  3. Step 3: Cross multiply
    8,741.86x = 12,063.48 × 4,762.92
  4. Step 4: Simplify right side
    8,741.86x = 57,457,390.16
  5. Step 5: Solve for x
    x = 57,457,390.16/8,741.86
  6. Step 6: Final answer
    x = 6,572.67

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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.