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Finding the Fourth Proportional to 7,056.72, 9,738.36 and 4,403.64

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Solution

The fourth proportional to 7,056.72, 9,738.36 and 4,403.64 is: 6,077.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056.72 : 9,738.36 = 4,403.64 : x
  2. Step 2: Convert to fraction form
    7,056.72/9,738.36 = 4,403.64/x
  3. Step 3: Cross multiply
    7,056.72x = 9,738.36 × 4,403.64
  4. Step 4: Simplify right side
    7,056.72x = 42,884,231.63
  5. Step 5: Solve for x
    x = 42,884,231.63/7,056.72
  6. Step 6: Final answer
    x = 6,077.08

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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.