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Finding the Fourth Proportional to 56,430.62, 84,684.88 and 19,494.62

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Solution

The fourth proportional to 56,430.62, 84,684.88 and 19,494.62 is: 29,255.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,430.62 : 84,684.88 = 19,494.62 : x
  2. Step 2: Convert to fraction form
    56,430.62/84,684.88 = 19,494.62/x
  3. Step 3: Cross multiply
    56,430.62x = 84,684.88 × 19,494.62
  4. Step 4: Simplify right side
    56,430.62x = 1,650,899,555.35
  5. Step 5: Solve for x
    x = 1,650,899,555.35/56,430.62
  6. Step 6: Final answer
    x = 29,255.39

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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.