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Finding the Fourth Proportional to 46,861.03, 64,697.84 and 28,966.21

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Solution

The fourth proportional to 46,861.03, 64,697.84 and 28,966.21 is: 39,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,861.03 : 64,697.84 = 28,966.21 : x
  2. Step 2: Convert to fraction form
    46,861.03/64,697.84 = 28,966.21/x
  3. Step 3: Cross multiply
    46,861.03x = 64,697.84 × 28,966.21
  4. Step 4: Simplify right side
    46,861.03x = 1,874,051,022.03
  5. Step 5: Solve for x
    x = 1,874,051,022.03/46,861.03
  6. Step 6: Final answer
    x = 39,991.67

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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.