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Finding the Fourth Proportional to 19,279.52, 26,613.52 and 13,010.08

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Solution

The fourth proportional to 19,279.52, 26,613.52 and 13,010.08 is: 17,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279.52 : 26,613.52 = 13,010.08 : x
  2. Step 2: Convert to fraction form
    19,279.52/26,613.52 = 13,010.08/x
  3. Step 3: Cross multiply
    19,279.52x = 26,613.52 × 13,010.08
  4. Step 4: Simplify right side
    19,279.52x = 346,244,024.28
  5. Step 5: Solve for x
    x = 346,244,024.28/19,279.52
  6. Step 6: Final answer
    x = 17,959.16

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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.