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Finding the Fourth Proportional to 7,151.36, 9,866.00 and 4,460.99

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Solution

The fourth proportional to 7,151.36, 9,866.00 and 4,460.99 is: 6,154.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.36 : 9,866.00 = 4,460.99 : x
  2. Step 2: Convert to fraction form
    7,151.36/9,866.00 = 4,460.99/x
  3. Step 3: Cross multiply
    7,151.36x = 9,866.00 × 4,460.99
  4. Step 4: Simplify right side
    7,151.36x = 44,012,055.71
  5. Step 5: Solve for x
    x = 44,012,055.71/7,151.36
  6. Step 6: Final answer
    x = 6,154.37

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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.