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Finding the Fourth Proportional to 34,349.90, 47,403.90 and 19,242.52

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Solution

The fourth proportional to 34,349.90, 47,403.90 and 19,242.52 is: 26,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,349.90 : 47,403.90 = 19,242.52 : x
  2. Step 2: Convert to fraction form
    34,349.90/47,403.90 = 19,242.52/x
  3. Step 3: Cross multiply
    34,349.90x = 47,403.90 × 19,242.52
  4. Step 4: Simplify right side
    34,349.90x = 912,170,375.32
  5. Step 5: Solve for x
    x = 912,170,375.32/34,349.90
  6. Step 6: Final answer
    x = 26,555.26

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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.