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Finding the Fourth Proportional to 9,152.88, 13,713.65 and 4,995.81

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Solution

The fourth proportional to 9,152.88, 13,713.65 and 4,995.81 is: 7,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.88 : 13,713.65 = 4,995.81 : x
  2. Step 2: Convert to fraction form
    9,152.88/13,713.65 = 4,995.81/x
  3. Step 3: Cross multiply
    9,152.88x = 13,713.65 × 4,995.81
  4. Step 4: Simplify right side
    9,152.88x = 68,510,802.30
  5. Step 5: Solve for x
    x = 68,510,802.30/9,152.88
  6. Step 6: Final answer
    x = 7,485.16

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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.