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Finding the Fourth Proportional to 13,034.95, 17,988.24 and 7,066.60

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Solution

The fourth proportional to 13,034.95, 17,988.24 and 7,066.60 is: 9,751.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,034.95 : 17,988.24 = 7,066.60 : x
  2. Step 2: Convert to fraction form
    13,034.95/17,988.24 = 7,066.60/x
  3. Step 3: Cross multiply
    13,034.95x = 17,988.24 × 7,066.60
  4. Step 4: Simplify right side
    13,034.95x = 127,115,696.78
  5. Step 5: Solve for x
    x = 127,115,696.78/13,034.95
  6. Step 6: Final answer
    x = 9,751.91

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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.