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Finding the Fourth Proportional to 9,772.17, 13,485.63 and 5,295.93

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Solution

The fourth proportional to 9,772.17, 13,485.63 and 5,295.93 is: 7,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,772.17 : 13,485.63 = 5,295.93 : x
  2. Step 2: Convert to fraction form
    9,772.17/13,485.63 = 5,295.93/x
  3. Step 3: Cross multiply
    9,772.17x = 13,485.63 × 5,295.93
  4. Step 4: Simplify right side
    9,772.17x = 71,418,952.49
  5. Step 5: Solve for x
    x = 71,418,952.49/9,772.17
  6. Step 6: Final answer
    x = 7,308.40

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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.