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Finding the Fourth Proportional to 38,661.71, 58,001.77 and 13,703.93

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Solution

The fourth proportional to 38,661.71, 58,001.77 and 13,703.93 is: 20,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.71 : 58,001.77 = 13,703.93 : x
  2. Step 2: Convert to fraction form
    38,661.71/58,001.77 = 13,703.93/x
  3. Step 3: Cross multiply
    38,661.71x = 58,001.77 × 13,703.93
  4. Step 4: Simplify right side
    38,661.71x = 794,852,466.84
  5. Step 5: Solve for x
    x = 794,852,466.84/38,661.71
  6. Step 6: Final answer
    x = 20,559.17

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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.