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Finding the Fourth Proportional to 9,935.71, 13,710.93 and 5,459.24

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Solution

The fourth proportional to 9,935.71, 13,710.93 and 5,459.24 is: 7,533.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.71 : 13,710.93 = 5,459.24 : x
  2. Step 2: Convert to fraction form
    9,935.71/13,710.93 = 5,459.24/x
  3. Step 3: Cross multiply
    9,935.71x = 13,710.93 × 5,459.24
  4. Step 4: Simplify right side
    9,935.71x = 74,851,257.49
  5. Step 5: Solve for x
    x = 74,851,257.49/9,935.71
  6. Step 6: Final answer
    x = 7,533.56

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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.