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Finding the Fourth Proportional to 9,552.60, 14,322.78 and 7,055.28

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Solution

The fourth proportional to 9,552.60, 14,322.78 and 7,055.28 is: 10,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,552.60 : 14,322.78 = 7,055.28 : x
  2. Step 2: Convert to fraction form
    9,552.60/14,322.78 = 7,055.28/x
  3. Step 3: Cross multiply
    9,552.60x = 14,322.78 × 7,055.28
  4. Step 4: Simplify right side
    9,552.60x = 101,051,223.28
  5. Step 5: Solve for x
    x = 101,051,223.28/9,552.60
  6. Step 6: Final answer
    x = 10,578.40

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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.