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Finding the Fourth Proportional to 11,699.16, 17,530.50 and 7,303.32

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Solution

The fourth proportional to 11,699.16, 17,530.50 and 7,303.32 is: 10,943.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,699.16 : 17,530.50 = 7,303.32 : x
  2. Step 2: Convert to fraction form
    11,699.16/17,530.50 = 7,303.32/x
  3. Step 3: Cross multiply
    11,699.16x = 17,530.50 × 7,303.32
  4. Step 4: Simplify right side
    11,699.16x = 128,030,851.26
  5. Step 5: Solve for x
    x = 128,030,851.26/11,699.16
  6. Step 6: Final answer
    x = 10,943.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.