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Finding the Fourth Proportional to 10,392.94, 15,561.72 and 9,064.34

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Solution

The fourth proportional to 10,392.94, 15,561.72 and 9,064.34 is: 13,572.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,392.94 : 15,561.72 = 9,064.34 : x
  2. Step 2: Convert to fraction form
    10,392.94/15,561.72 = 9,064.34/x
  3. Step 3: Cross multiply
    10,392.94x = 15,561.72 × 9,064.34
  4. Step 4: Simplify right side
    10,392.94x = 141,056,721.06
  5. Step 5: Solve for x
    x = 141,056,721.06/10,392.94
  6. Step 6: Final answer
    x = 13,572.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.