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Finding the Fourth Proportional to 35,957.01, 53,916.50 and 15,957.81

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Solution

The fourth proportional to 35,957.01, 53,916.50 and 15,957.81 is: 23,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,957.01 : 53,916.50 = 15,957.81 : x
  2. Step 2: Convert to fraction form
    35,957.01/53,916.50 = 15,957.81/x
  3. Step 3: Cross multiply
    35,957.01x = 53,916.50 × 15,957.81
  4. Step 4: Simplify right side
    35,957.01x = 860,389,302.76
  5. Step 5: Solve for x
    x = 860,389,302.76/35,957.01
  6. Step 6: Final answer
    x = 23,928.27

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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.