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Finding the Fourth Proportional to 5,723.62, 7,881.04 and 5,011.48

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Solution

The fourth proportional to 5,723.62, 7,881.04 and 5,011.48 is: 6,900.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,723.62 : 7,881.04 = 5,011.48 : x
  2. Step 2: Convert to fraction form
    5,723.62/7,881.04 = 5,011.48/x
  3. Step 3: Cross multiply
    5,723.62x = 7,881.04 × 5,011.48
  4. Step 4: Simplify right side
    5,723.62x = 39,495,674.34
  5. Step 5: Solve for x
    x = 39,495,674.34/5,723.62
  6. Step 6: Final answer
    x = 6,900.47

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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.