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Finding the Fourth Proportional to 5,636.42, 7,774.03 and 4,999.10

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Solution

The fourth proportional to 5,636.42, 7,774.03 and 4,999.10 is: 6,895.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.42 : 7,774.03 = 4,999.10 : x
  2. Step 2: Convert to fraction form
    5,636.42/7,774.03 = 4,999.10/x
  3. Step 3: Cross multiply
    5,636.42x = 7,774.03 × 4,999.10
  4. Step 4: Simplify right side
    5,636.42x = 38,863,153.37
  5. Step 5: Solve for x
    x = 38,863,153.37/5,636.42
  6. Step 6: Final answer
    x = 6,895.01

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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.