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Finding the Fourth Proportional to 9,756.51, 13,460.63 and 5,507.03

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Solution

The fourth proportional to 9,756.51, 13,460.63 and 5,507.03 is: 7,597.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.51 : 13,460.63 = 5,507.03 : x
  2. Step 2: Convert to fraction form
    9,756.51/13,460.63 = 5,507.03/x
  3. Step 3: Cross multiply
    9,756.51x = 13,460.63 × 5,507.03
  4. Step 4: Simplify right side
    9,756.51x = 74,127,998.39
  5. Step 5: Solve for x
    x = 74,127,998.39/9,756.51
  6. Step 6: Final answer
    x = 7,597.80

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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.