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Finding the Fourth Proportional to 7,571.34, 11,294.91 and 7,041.06

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Solution

The fourth proportional to 7,571.34, 11,294.91 and 7,041.06 is: 10,503.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,571.34 : 11,294.91 = 7,041.06 : x
  2. Step 2: Convert to fraction form
    7,571.34/11,294.91 = 7,041.06/x
  3. Step 3: Cross multiply
    7,571.34x = 11,294.91 × 7,041.06
  4. Step 4: Simplify right side
    7,571.34x = 79,528,139.00
  5. Step 5: Solve for x
    x = 79,528,139.00/7,571.34
  6. Step 6: Final answer
    x = 10,503.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.