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Finding the Fourth Proportional to 48,875.65, 68,564.15 and 48,875.65

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Solution

The fourth proportional to 48,875.65, 68,564.15 and 48,875.65 is: 68,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,875.65 : 68,564.15 = 48,875.65 : x
  2. Step 2: Convert to fraction form
    48,875.65/68,564.15 = 48,875.65/x
  3. Step 3: Cross multiply
    48,875.65x = 68,564.15 × 48,875.65
  4. Step 4: Simplify right side
    48,875.65x = 3,351,117,397.95
  5. Step 5: Solve for x
    x = 3,351,117,397.95/48,875.65
  6. Step 6: Final answer
    x = 68,564.15

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.