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Finding the Fourth Proportional to 7,068.96, 9,755.04 and 3,925.08

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Solution

The fourth proportional to 7,068.96, 9,755.04 and 3,925.08 is: 5,416.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.96 : 9,755.04 = 3,925.08 : x
  2. Step 2: Convert to fraction form
    7,068.96/9,755.04 = 3,925.08/x
  3. Step 3: Cross multiply
    7,068.96x = 9,755.04 × 3,925.08
  4. Step 4: Simplify right side
    7,068.96x = 38,289,312.40
  5. Step 5: Solve for x
    x = 38,289,312.40/7,068.96
  6. Step 6: Final answer
    x = 5,416.54

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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.