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Finding the Fourth Proportional to 44,807, 67,210.50 and 15,623

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Solution

The fourth proportional to 44,807, 67,210.50 and 15,623 is: 23,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,807 : 67,210.50 = 15,623 : x
  2. Step 2: Convert to fraction form
    44,807/67,210.50 = 15,623/x
  3. Step 3: Cross multiply
    44,807x = 67,210.50 × 15,623
  4. Step 4: Simplify right side
    44,807x = 1,050,029,641.50
  5. Step 5: Solve for x
    x = 1,050,029,641.50/44,807
  6. Step 6: Final answer
    x = 23,434.50

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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.