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Finding the Fourth Proportional to 38,802.65, 58,210.04 and 12,510.05

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Solution

The fourth proportional to 38,802.65, 58,210.04 and 12,510.05 is: 18,767.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,802.65 : 58,210.04 = 12,510.05 : x
  2. Step 2: Convert to fraction form
    38,802.65/58,210.04 = 12,510.05/x
  3. Step 3: Cross multiply
    38,802.65x = 58,210.04 × 12,510.05
  4. Step 4: Simplify right side
    38,802.65x = 728,210,251.13
  5. Step 5: Solve for x
    x = 728,210,251.13/38,802.65
  6. Step 6: Final answer
    x = 18,767.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.