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Finding the Fourth Proportional to 24,580.51, 33,921.05 and 13,970.15

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Solution

The fourth proportional to 24,580.51, 33,921.05 and 13,970.15 is: 19,278.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,580.51 : 33,921.05 = 13,970.15 : x
  2. Step 2: Convert to fraction form
    24,580.51/33,921.05 = 13,970.15/x
  3. Step 3: Cross multiply
    24,580.51x = 33,921.05 × 13,970.15
  4. Step 4: Simplify right side
    24,580.51x = 473,882,066.88
  5. Step 5: Solve for x
    x = 473,882,066.88/24,580.51
  6. Step 6: Final answer
    x = 19,278.77

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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.