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Finding the Fourth Proportional to 7,506.95, 11,256.57 and 4,387.64

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Solution

The fourth proportional to 7,506.95, 11,256.57 and 4,387.64 is: 6,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,506.95 : 11,256.57 = 4,387.64 : x
  2. Step 2: Convert to fraction form
    7,506.95/11,256.57 = 4,387.64/x
  3. Step 3: Cross multiply
    7,506.95x = 11,256.57 × 4,387.64
  4. Step 4: Simplify right side
    7,506.95x = 49,389,720.51
  5. Step 5: Solve for x
    x = 49,389,720.51/7,506.95
  6. Step 6: Final answer
    x = 6,579.20

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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.