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Finding the Fourth Proportional to 9,075.99, 12,526.35 and 6,240.99

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Solution

The fourth proportional to 9,075.99, 12,526.35 and 6,240.99 is: 8,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,075.99 : 12,526.35 = 6,240.99 : x
  2. Step 2: Convert to fraction form
    9,075.99/12,526.35 = 6,240.99/x
  3. Step 3: Cross multiply
    9,075.99x = 12,526.35 × 6,240.99
  4. Step 4: Simplify right side
    9,075.99x = 78,176,825.09
  5. Step 5: Solve for x
    x = 78,176,825.09/9,075.99
  6. Step 6: Final answer
    x = 8,613.59

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Double scale
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Similar ratio
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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.