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Finding the Fourth Proportional to 34,613.64, 47,764.98 and 19,506.32

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Solution

The fourth proportional to 34,613.64, 47,764.98 and 19,506.32 is: 26,917.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,613.64 : 47,764.98 = 19,506.32 : x
  2. Step 2: Convert to fraction form
    34,613.64/47,764.98 = 19,506.32/x
  3. Step 3: Cross multiply
    34,613.64x = 47,764.98 × 19,506.32
  4. Step 4: Simplify right side
    34,613.64x = 931,718,984.67
  5. Step 5: Solve for x
    x = 931,718,984.67/34,613.64
  6. Step 6: Final answer
    x = 26,917.68

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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.