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Finding the Fourth Proportional to 19,641, 29,422.08 and 9,750.36

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Solution

The fourth proportional to 19,641, 29,422.08 and 9,750.36 is: 14,605.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,641 : 29,422.08 = 9,750.36 : x
  2. Step 2: Convert to fraction form
    19,641/29,422.08 = 9,750.36/x
  3. Step 3: Cross multiply
    19,641x = 29,422.08 × 9,750.36
  4. Step 4: Simplify right side
    19,641x = 286,875,871.95
  5. Step 5: Solve for x
    x = 286,875,871.95/19,641
  6. Step 6: Final answer
    x = 14,605.97

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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.