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Finding the Fourth Proportional to 7,607.69, 10,486.07 and 5,088.89

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Solution

The fourth proportional to 7,607.69, 10,486.07 and 5,088.89 is: 7,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,607.69 : 10,486.07 = 5,088.89 : x
  2. Step 2: Convert to fraction form
    7,607.69/10,486.07 = 5,088.89/x
  3. Step 3: Cross multiply
    7,607.69x = 10,486.07 × 5,088.89
  4. Step 4: Simplify right side
    7,607.69x = 53,362,431.32
  5. Step 5: Solve for x
    x = 53,362,431.32/7,607.69
  6. Step 6: Final answer
    x = 7,014.28

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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.