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Finding the Fourth Proportional to 38,017.49, 52,463.84 and 21,250.49

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Solution

The fourth proportional to 38,017.49, 52,463.84 and 21,250.49 is: 29,325.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,017.49 : 52,463.84 = 21,250.49 : x
  2. Step 2: Convert to fraction form
    38,017.49/52,463.84 = 21,250.49/x
  3. Step 3: Cross multiply
    38,017.49x = 52,463.84 × 21,250.49
  4. Step 4: Simplify right side
    38,017.49x = 1,114,881,938.71
  5. Step 5: Solve for x
    x = 1,114,881,938.71/38,017.49
  6. Step 6: Final answer
    x = 29,325.50

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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.