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Finding the Fourth Proportional to 9,865.72, 14,798.58 and 7,236.05

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Solution

The fourth proportional to 9,865.72, 14,798.58 and 7,236.05 is: 10,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,865.72 : 14,798.58 = 7,236.05 : x
  2. Step 2: Convert to fraction form
    9,865.72/14,798.58 = 7,236.05/x
  3. Step 3: Cross multiply
    9,865.72x = 14,798.58 × 7,236.05
  4. Step 4: Simplify right side
    9,865.72x = 107,083,228.63
  5. Step 5: Solve for x
    x = 107,083,228.63/9,865.72
  6. Step 6: Final answer
    x = 10,854.08

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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.