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Finding the Fourth Proportional to 35,661.29, 53,480.39 and 15,953.99

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Solution

The fourth proportional to 35,661.29, 53,480.39 and 15,953.99 is: 23,925.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,661.29 : 53,480.39 = 15,953.99 : x
  2. Step 2: Convert to fraction form
    35,661.29/53,480.39 = 15,953.99/x
  3. Step 3: Cross multiply
    35,661.29x = 53,480.39 × 15,953.99
  4. Step 4: Simplify right side
    35,661.29x = 853,225,260.08
  5. Step 5: Solve for x
    x = 853,225,260.08/35,661.29
  6. Step 6: Final answer
    x = 23,925.81

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1.5x scale

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.