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Finding the Fourth Proportional to 48,662.65, 72,987.65 and 15,386.07

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Solution

The fourth proportional to 48,662.65, 72,987.65 and 15,386.07 is: 23,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,662.65 : 72,987.65 = 15,386.07 : x
  2. Step 2: Convert to fraction form
    48,662.65/72,987.65 = 15,386.07/x
  3. Step 3: Cross multiply
    48,662.65x = 72,987.65 × 15,386.07
  4. Step 4: Simplify right side
    48,662.65x = 1,122,993,130.50
  5. Step 5: Solve for x
    x = 1,122,993,130.50/48,662.65
  6. Step 6: Final answer
    x = 23,077.11

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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.