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Finding the Fourth Proportional to 9,355.84, 14,047.60 and 6,255.20

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Solution

The fourth proportional to 9,355.84, 14,047.60 and 6,255.20 is: 9,392.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,355.84 : 14,047.60 = 6,255.20 : x
  2. Step 2: Convert to fraction form
    9,355.84/14,047.60 = 6,255.20/x
  3. Step 3: Cross multiply
    9,355.84x = 14,047.60 × 6,255.20
  4. Step 4: Simplify right side
    9,355.84x = 87,870,547.52
  5. Step 5: Solve for x
    x = 87,870,547.52/9,355.84
  6. Step 6: Final answer
    x = 9,392.05

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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.