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Finding the Fourth Proportional to 34,877.80, 48,130.84 and 18,962.11

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Solution

The fourth proportional to 34,877.80, 48,130.84 and 18,962.11 is: 26,167.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,877.80 : 48,130.84 = 18,962.11 : x
  2. Step 2: Convert to fraction form
    34,877.80/48,130.84 = 18,962.11/x
  3. Step 3: Cross multiply
    34,877.80x = 48,130.84 × 18,962.11
  4. Step 4: Simplify right side
    34,877.80x = 912,662,282.47
  5. Step 5: Solve for x
    x = 912,662,282.47/34,877.80
  6. Step 6: Final answer
    x = 26,167.43

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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.