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Finding the Fourth Proportional to 6,516.48, 9,763.68 and 4,658.16

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Solution

The fourth proportional to 6,516.48, 9,763.68 and 4,658.16 is: 6,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.48 : 9,763.68 = 4,658.16 : x
  2. Step 2: Convert to fraction form
    6,516.48/9,763.68 = 4,658.16/x
  3. Step 3: Cross multiply
    6,516.48x = 9,763.68 × 4,658.16
  4. Step 4: Simplify right side
    6,516.48x = 45,480,783.63
  5. Step 5: Solve for x
    x = 45,480,783.63/6,516.48
  6. Step 6: Final answer
    x = 6,979.35

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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.