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Finding the Fourth Proportional to 5,317.55, 7,956.85 and 5,032.40

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Solution

The fourth proportional to 5,317.55, 7,956.85 and 5,032.40 is: 7,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.55 : 7,956.85 = 5,032.40 : x
  2. Step 2: Convert to fraction form
    5,317.55/7,956.85 = 5,032.40/x
  3. Step 3: Cross multiply
    5,317.55x = 7,956.85 × 5,032.40
  4. Step 4: Simplify right side
    5,317.55x = 40,042,051.94
  5. Step 5: Solve for x
    x = 40,042,051.94/5,317.55
  6. Step 6: Final answer
    x = 7,530.17

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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.