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Finding the Fourth Proportional to 13,495.95, 18,624.36 and 7,527.61

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Solution

The fourth proportional to 13,495.95, 18,624.36 and 7,527.61 is: 10,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,495.95 : 18,624.36 = 7,527.61 : x
  2. Step 2: Convert to fraction form
    13,495.95/18,624.36 = 7,527.61/x
  3. Step 3: Cross multiply
    13,495.95x = 18,624.36 × 7,527.61
  4. Step 4: Simplify right side
    13,495.95x = 140,196,953.50
  5. Step 5: Solve for x
    x = 140,196,953.50/13,495.95
  6. Step 6: Final answer
    x = 10,388.08

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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.