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Finding the Fourth Proportional to 47,681.90, 65,798.80 and 26,460.98

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Solution

The fourth proportional to 47,681.90, 65,798.80 and 26,460.98 is: 36,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,681.90 : 65,798.80 = 26,460.98 : x
  2. Step 2: Convert to fraction form
    47,681.90/65,798.80 = 26,460.98/x
  3. Step 3: Cross multiply
    47,681.90x = 65,798.80 × 26,460.98
  4. Step 4: Simplify right side
    47,681.90x = 1,741,100,335.68
  5. Step 5: Solve for x
    x = 1,741,100,335.68/47,681.90
  6. Step 6: Final answer
    x = 36,514.91

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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.