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Finding the Fourth Proportional to 63,010.80, 86,954.40 and 34,714.80

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Solution

The fourth proportional to 63,010.80, 86,954.40 and 34,714.80 is: 47,906.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,010.80 : 86,954.40 = 34,714.80 : x
  2. Step 2: Convert to fraction form
    63,010.80/86,954.40 = 34,714.80/x
  3. Step 3: Cross multiply
    63,010.80x = 86,954.40 × 34,714.80
  4. Step 4: Simplify right side
    63,010.80x = 3,018,604,605.12
  5. Step 5: Solve for x
    x = 3,018,604,605.12/63,010.80
  6. Step 6: Final answer
    x = 47,906.15

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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.