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Finding the Fourth Proportional to 9,210.61, 13,816.07 and 4,836.61

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Solution

The fourth proportional to 9,210.61, 13,816.07 and 4,836.61 is: 7,255.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.61 : 13,816.07 = 4,836.61 : x
  2. Step 2: Convert to fraction form
    9,210.61/13,816.07 = 4,836.61/x
  3. Step 3: Cross multiply
    9,210.61x = 13,816.07 × 4,836.61
  4. Step 4: Simplify right side
    9,210.61x = 66,822,953.55
  5. Step 5: Solve for x
    x = 66,822,953.55/9,210.61
  6. Step 6: Final answer
    x = 7,255.00

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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.