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Finding the Fourth Proportional to 12,703.84, 17,535.90 and 10,341.88

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Solution

The fourth proportional to 12,703.84, 17,535.90 and 10,341.88 is: 14,275.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,703.84 : 17,535.90 = 10,341.88 : x
  2. Step 2: Convert to fraction form
    12,703.84/17,535.90 = 10,341.88/x
  3. Step 3: Cross multiply
    12,703.84x = 17,535.90 × 10,341.88
  4. Step 4: Simplify right side
    12,703.84x = 181,354,173.49
  5. Step 5: Solve for x
    x = 181,354,173.49/12,703.84
  6. Step 6: Final answer
    x = 14,275.54

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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.