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Finding the Fourth Proportional to 28,349.94, 42,510.94 and 9,623.14

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Solution

The fourth proportional to 28,349.94, 42,510.94 and 9,623.14 is: 14,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,349.94 : 42,510.94 = 9,623.14 : x
  2. Step 2: Convert to fraction form
    28,349.94/42,510.94 = 9,623.14/x
  3. Step 3: Cross multiply
    28,349.94x = 42,510.94 × 9,623.14
  4. Step 4: Simplify right side
    28,349.94x = 409,088,727.15
  5. Step 5: Solve for x
    x = 409,088,727.15/28,349.94
  6. Step 6: Final answer
    x = 14,429.97

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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.