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Finding the Fourth Proportional to 7,486.97, 10,332.63 and 4,130.10

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Solution

The fourth proportional to 7,486.97, 10,332.63 and 4,130.10 is: 5,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.97 : 10,332.63 = 4,130.10 : x
  2. Step 2: Convert to fraction form
    7,486.97/10,332.63 = 4,130.10/x
  3. Step 3: Cross multiply
    7,486.97x = 10,332.63 × 4,130.10
  4. Step 4: Simplify right side
    7,486.97x = 42,674,795.16
  5. Step 5: Solve for x
    x = 42,674,795.16/7,486.97
  6. Step 6: Final answer
    x = 5,699.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.