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Finding the Fourth Proportional to 9,055.95, 13,547.48 and 7,836.90

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Solution

The fourth proportional to 9,055.95, 13,547.48 and 7,836.90 is: 11,723.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,055.95 : 13,547.48 = 7,836.90 : x
  2. Step 2: Convert to fraction form
    9,055.95/13,547.48 = 7,836.90/x
  3. Step 3: Cross multiply
    9,055.95x = 13,547.48 × 7,836.90
  4. Step 4: Simplify right side
    9,055.95x = 106,170,206.83
  5. Step 5: Solve for x
    x = 106,170,206.83/9,055.95
  6. Step 6: Final answer
    x = 11,723.81

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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.