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Finding the Fourth Proportional to 18,437.51, 25,443.51 and 10,054.01

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Solution

The fourth proportional to 18,437.51, 25,443.51 and 10,054.01 is: 13,874.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.51 : 25,443.51 = 10,054.01 : x
  2. Step 2: Convert to fraction form
    18,437.51/25,443.51 = 10,054.01/x
  3. Step 3: Cross multiply
    18,437.51x = 25,443.51 × 10,054.01
  4. Step 4: Simplify right side
    18,437.51x = 255,809,303.98
  5. Step 5: Solve for x
    x = 255,809,303.98/18,437.51
  6. Step 6: Final answer
    x = 13,874.40

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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.