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Finding the Fourth Proportional to 9,574.80, 14,339.16 and 6,487.44

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Solution

The fourth proportional to 9,574.80, 14,339.16 and 6,487.44 is: 9,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,574.80 : 14,339.16 = 6,487.44 : x
  2. Step 2: Convert to fraction form
    9,574.80/14,339.16 = 6,487.44/x
  3. Step 3: Cross multiply
    9,574.80x = 14,339.16 × 6,487.44
  4. Step 4: Simplify right side
    9,574.80x = 93,024,440.15
  5. Step 5: Solve for x
    x = 93,024,440.15/9,574.80
  6. Step 6: Final answer
    x = 9,715.55

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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.