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Finding the Fourth Proportional to 67,259.84, 92,810.46 and 38,578.02

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Solution

The fourth proportional to 67,259.84, 92,810.46 and 38,578.02 is: 53,233.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,259.84 : 92,810.46 = 38,578.02 : x
  2. Step 2: Convert to fraction form
    67,259.84/92,810.46 = 38,578.02/x
  3. Step 3: Cross multiply
    67,259.84x = 92,810.46 × 38,578.02
  4. Step 4: Simplify right side
    67,259.84x = 3,580,443,782.09
  5. Step 5: Solve for x
    x = 3,580,443,782.09/67,259.84
  6. Step 6: Final answer
    x = 53,233.01

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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.