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Finding the Fourth Proportional to 18,437.94, 25,445.01 and 10,480.50

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Solution

The fourth proportional to 18,437.94, 25,445.01 and 10,480.50 is: 14,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.94 : 25,445.01 = 10,480.50 : x
  2. Step 2: Convert to fraction form
    18,437.94/25,445.01 = 10,480.50/x
  3. Step 3: Cross multiply
    18,437.94x = 25,445.01 × 10,480.50
  4. Step 4: Simplify right side
    18,437.94x = 266,676,427.31
  5. Step 5: Solve for x
    x = 266,676,427.31/18,437.94
  6. Step 6: Final answer
    x = 14,463.46

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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.