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Finding the Fourth Proportional to 17,970.74, 24,798.89 and 10,012.76

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Solution

The fourth proportional to 17,970.74, 24,798.89 and 10,012.76 is: 13,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,970.74 : 24,798.89 = 10,012.76 : x
  2. Step 2: Convert to fraction form
    17,970.74/24,798.89 = 10,012.76/x
  3. Step 3: Cross multiply
    17,970.74x = 24,798.89 × 10,012.76
  4. Step 4: Simplify right side
    17,970.74x = 248,305,159.78
  5. Step 5: Solve for x
    x = 248,305,159.78/17,970.74
  6. Step 6: Final answer
    x = 13,817.20

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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.