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Finding the Fourth Proportional to 15,624.52, 23,450.64 and 7,309.06

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Solution

The fourth proportional to 15,624.52, 23,450.64 and 7,309.06 is: 10,970.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,624.52 : 23,450.64 = 7,309.06 : x
  2. Step 2: Convert to fraction form
    15,624.52/23,450.64 = 7,309.06/x
  3. Step 3: Cross multiply
    15,624.52x = 23,450.64 × 7,309.06
  4. Step 4: Simplify right side
    15,624.52x = 171,402,134.80
  5. Step 5: Solve for x
    x = 171,402,134.80/15,624.52
  6. Step 6: Final answer
    x = 10,970.07

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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.