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Finding the Fourth Proportional to 7,653.24, 11,412.51 and 7,047.36

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Solution

The fourth proportional to 7,653.24, 11,412.51 and 7,047.36 is: 10,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.24 : 11,412.51 = 7,047.36 : x
  2. Step 2: Convert to fraction form
    7,653.24/11,412.51 = 7,047.36/x
  3. Step 3: Cross multiply
    7,653.24x = 11,412.51 × 7,047.36
  4. Step 4: Simplify right side
    7,653.24x = 80,428,066.47
  5. Step 5: Solve for x
    x = 80,428,066.47/7,653.24
  6. Step 6: Final answer
    x = 10,509.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.