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Finding the Fourth Proportional to 71,527.08, 107,303 and 29,430.32

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Solution

The fourth proportional to 71,527.08, 107,303 and 29,430.32 is: 44,150.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,527.08 : 107,303 = 29,430.32 : x
  2. Step 2: Convert to fraction form
    71,527.08/107,303 = 29,430.32/x
  3. Step 3: Cross multiply
    71,527.08x = 107,303 × 29,430.32
  4. Step 4: Simplify right side
    71,527.08x = 3,157,961,626.96
  5. Step 5: Solve for x
    x = 3,157,961,626.96/71,527.08
  6. Step 6: Final answer
    x = 44,150.57

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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.