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Finding the Fourth Proportional to 7,960.28, 10,985.02 and 4,603.03

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Solution

The fourth proportional to 7,960.28, 10,985.02 and 4,603.03 is: 6,352.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.28 : 10,985.02 = 4,603.03 : x
  2. Step 2: Convert to fraction form
    7,960.28/10,985.02 = 4,603.03/x
  3. Step 3: Cross multiply
    7,960.28x = 10,985.02 × 4,603.03
  4. Step 4: Simplify right side
    7,960.28x = 50,564,337.64
  5. Step 5: Solve for x
    x = 50,564,337.64/7,960.28
  6. Step 6: Final answer
    x = 6,352.08

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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.