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Finding the Fourth Proportional to 18,750.17, 25,822.73 and 18,341.93

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Solution

The fourth proportional to 18,750.17, 25,822.73 and 18,341.93 is: 25,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.17 : 25,822.73 = 18,341.93 : x
  2. Step 2: Convert to fraction form
    18,750.17/25,822.73 = 18,341.93/x
  3. Step 3: Cross multiply
    18,750.17x = 25,822.73 × 18,341.93
  4. Step 4: Simplify right side
    18,750.17x = 473,638,614.36
  5. Step 5: Solve for x
    x = 473,638,614.36/18,750.17
  6. Step 6: Final answer
    x = 25,260.50

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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.