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Finding the Fourth Proportional to 6,465.68, 9,715.16 and 6,285.04

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Solution

The fourth proportional to 6,465.68, 9,715.16 and 6,285.04 is: 9,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,465.68 : 9,715.16 = 6,285.04 : x
  2. Step 2: Convert to fraction form
    6,465.68/9,715.16 = 6,285.04/x
  3. Step 3: Cross multiply
    6,465.68x = 9,715.16 × 6,285.04
  4. Step 4: Simplify right side
    6,465.68x = 61,060,169.21
  5. Step 5: Solve for x
    x = 61,060,169.21/6,465.68
  6. Step 6: Final answer
    x = 9,443.74

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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.