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Finding the Fourth Proportional to 7,603.63, 10,497.65 and 7,133.02

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Solution

The fourth proportional to 7,603.63, 10,497.65 and 7,133.02 is: 9,847.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.63 : 10,497.65 = 7,133.02 : x
  2. Step 2: Convert to fraction form
    7,603.63/10,497.65 = 7,133.02/x
  3. Step 3: Cross multiply
    7,603.63x = 10,497.65 × 7,133.02
  4. Step 4: Simplify right side
    7,603.63x = 74,879,885.49
  5. Step 5: Solve for x
    x = 74,879,885.49/7,603.63
  6. Step 6: Final answer
    x = 9,847.92

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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.