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Finding the Fourth Proportional to 6,509.95, 8,983.62 and 3,525.76

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Solution

The fourth proportional to 6,509.95, 8,983.62 and 3,525.76 is: 4,865.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,509.95 : 8,983.62 = 3,525.76 : x
  2. Step 2: Convert to fraction form
    6,509.95/8,983.62 = 3,525.76/x
  3. Step 3: Cross multiply
    6,509.95x = 8,983.62 × 3,525.76
  4. Step 4: Simplify right side
    6,509.95x = 31,674,088.05
  5. Step 5: Solve for x
    x = 31,674,088.05/6,509.95
  6. Step 6: Final answer
    x = 4,865.49

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Double scale
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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.