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Finding the Fourth Proportional to 39,070, 58,607.90 and 15,696.51

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Solution

The fourth proportional to 39,070, 58,607.90 and 15,696.51 is: 23,545.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,070 : 58,607.90 = 15,696.51 : x
  2. Step 2: Convert to fraction form
    39,070/58,607.90 = 15,696.51/x
  3. Step 3: Cross multiply
    39,070x = 58,607.90 × 15,696.51
  4. Step 4: Simplify right side
    39,070x = 919,939,488.43
  5. Step 5: Solve for x
    x = 919,939,488.43/39,070
  6. Step 6: Final answer
    x = 23,545.93

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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.