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Finding the Fourth Proportional to 19,364.06, 29,050.95 and 5,513.06

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Solution

The fourth proportional to 19,364.06, 29,050.95 and 5,513.06 is: 8,270.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364.06 : 29,050.95 = 5,513.06 : x
  2. Step 2: Convert to fraction form
    19,364.06/29,050.95 = 5,513.06/x
  3. Step 3: Cross multiply
    19,364.06x = 29,050.95 × 5,513.06
  4. Step 4: Simplify right side
    19,364.06x = 160,159,723.71
  5. Step 5: Solve for x
    x = 160,159,723.71/19,364.06
  6. Step 6: Final answer
    x = 8,270.98

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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.