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Finding the Fourth Proportional to 9,239.25, 12,750.71 and 5,260.53

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Solution

The fourth proportional to 9,239.25, 12,750.71 and 5,260.53 is: 7,259.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239.25 : 12,750.71 = 5,260.53 : x
  2. Step 2: Convert to fraction form
    9,239.25/12,750.71 = 5,260.53/x
  3. Step 3: Cross multiply
    9,239.25x = 12,750.71 × 5,260.53
  4. Step 4: Simplify right side
    9,239.25x = 67,075,492.48
  5. Step 5: Solve for x
    x = 67,075,492.48/9,239.25
  6. Step 6: Final answer
    x = 7,259.84

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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.