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Finding the Fourth Proportional to 3,894.77, 5,842.08 and 973.08

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Solution

The fourth proportional to 3,894.77, 5,842.08 and 973.08 is: 1,459.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,894.77 : 5,842.08 = 973.08 : x
  2. Step 2: Convert to fraction form
    3,894.77/5,842.08 = 973.08/x
  3. Step 3: Cross multiply
    3,894.77x = 5,842.08 × 973.08
  4. Step 4: Simplify right side
    3,894.77x = 5,684,811.21
  5. Step 5: Solve for x
    x = 5,684,811.21/3,894.77
  6. Step 6: Final answer
    x = 1,459.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.