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Finding the Fourth Proportional to 9,051.50, 12,491.80 and 5,326.22

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Solution

The fourth proportional to 9,051.50, 12,491.80 and 5,326.22 is: 7,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.50 : 12,491.80 = 5,326.22 : x
  2. Step 2: Convert to fraction form
    9,051.50/12,491.80 = 5,326.22/x
  3. Step 3: Cross multiply
    9,051.50x = 12,491.80 × 5,326.22
  4. Step 4: Simplify right side
    9,051.50x = 66,534,075.00
  5. Step 5: Solve for x
    x = 66,534,075.00/9,051.50
  6. Step 6: Final answer
    x = 7,350.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.