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Finding the Fourth Proportional to 7,893.59, 10,892.75 and 4,707.18

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Solution

The fourth proportional to 7,893.59, 10,892.75 and 4,707.18 is: 6,495.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.59 : 10,892.75 = 4,707.18 : x
  2. Step 2: Convert to fraction form
    7,893.59/10,892.75 = 4,707.18/x
  3. Step 3: Cross multiply
    7,893.59x = 10,892.75 × 4,707.18
  4. Step 4: Simplify right side
    7,893.59x = 51,274,111.41
  5. Step 5: Solve for x
    x = 51,274,111.41/7,893.59
  6. Step 6: Final answer
    x = 6,495.67

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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.