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Finding the Fourth Proportional to 7,551.72, 10,417.74 and 4,899.96

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Solution

The fourth proportional to 7,551.72, 10,417.74 and 4,899.96 is: 6,759.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,551.72 : 10,417.74 = 4,899.96 : x
  2. Step 2: Convert to fraction form
    7,551.72/10,417.74 = 4,899.96/x
  3. Step 3: Cross multiply
    7,551.72x = 10,417.74 × 4,899.96
  4. Step 4: Simplify right side
    7,551.72x = 51,046,509.29
  5. Step 5: Solve for x
    x = 51,046,509.29/7,551.72
  6. Step 6: Final answer
    x = 6,759.59

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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.