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Finding the Fourth Proportional to 56,042.97, 84,064.47 and 38,459.49

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Solution

The fourth proportional to 56,042.97, 84,064.47 and 38,459.49 is: 57,689.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,042.97 : 84,064.47 = 38,459.49 : x
  2. Step 2: Convert to fraction form
    56,042.97/84,064.47 = 38,459.49/x
  3. Step 3: Cross multiply
    56,042.97x = 84,064.47 × 38,459.49
  4. Step 4: Simplify right side
    56,042.97x = 3,233,076,643.32
  5. Step 5: Solve for x
    x = 3,233,076,643.32/56,042.97
  6. Step 6: Final answer
    x = 57,689.25

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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.