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Finding the Fourth Proportional to 15,465.67, 21,342.67 and 9,497.27

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Solution

The fourth proportional to 15,465.67, 21,342.67 and 9,497.27 is: 13,106.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,465.67 : 21,342.67 = 9,497.27 : x
  2. Step 2: Convert to fraction form
    15,465.67/21,342.67 = 9,497.27/x
  3. Step 3: Cross multiply
    15,465.67x = 21,342.67 × 9,497.27
  4. Step 4: Simplify right side
    15,465.67x = 202,697,129.12
  5. Step 5: Solve for x
    x = 202,697,129.12/15,465.67
  6. Step 6: Final answer
    x = 13,106.26

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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.