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Finding the Fourth Proportional to 13,567.71, 18,724.30 and 7,599.74

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Solution

The fourth proportional to 13,567.71, 18,724.30 and 7,599.74 is: 10,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567.71 : 18,724.30 = 7,599.74 : x
  2. Step 2: Convert to fraction form
    13,567.71/18,724.30 = 7,599.74/x
  3. Step 3: Cross multiply
    13,567.71x = 18,724.30 × 7,599.74
  4. Step 4: Simplify right side
    13,567.71x = 142,299,762.15
  5. Step 5: Solve for x
    x = 142,299,762.15/13,567.71
  6. Step 6: Final answer
    x = 10,488.12

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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.