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Finding the Fourth Proportional to 7,678.59, 10,597.48 and 4,322.06

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Solution

The fourth proportional to 7,678.59, 10,597.48 and 4,322.06 is: 5,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,678.59 : 10,597.48 = 4,322.06 : x
  2. Step 2: Convert to fraction form
    7,678.59/10,597.48 = 4,322.06/x
  3. Step 3: Cross multiply
    7,678.59x = 10,597.48 × 4,322.06
  4. Step 4: Simplify right side
    7,678.59x = 45,802,920.36
  5. Step 5: Solve for x
    x = 45,802,920.36/7,678.59
  6. Step 6: Final answer
    x = 5,965.02

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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.