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Finding the Fourth Proportional to 19,970.59, 29,964.39 and 7,496.59

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Solution

The fourth proportional to 19,970.59, 29,964.39 and 7,496.59 is: 11,248.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,970.59 : 29,964.39 = 7,496.59 : x
  2. Step 2: Convert to fraction form
    19,970.59/29,964.39 = 7,496.59/x
  3. Step 3: Cross multiply
    19,970.59x = 29,964.39 × 7,496.59
  4. Step 4: Simplify right side
    19,970.59x = 224,630,746.43
  5. Step 5: Solve for x
    x = 224,630,746.43/19,970.59
  6. Step 6: Final answer
    x = 11,248.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.