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Finding the Fourth Proportional to 60,124.51, 82,935.68 and 39,706.76

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Solution

The fourth proportional to 60,124.51, 82,935.68 and 39,706.76 is: 54,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,124.51 : 82,935.68 = 39,706.76 : x
  2. Step 2: Convert to fraction form
    60,124.51/82,935.68 = 39,706.76/x
  3. Step 3: Cross multiply
    60,124.51x = 82,935.68 × 39,706.76
  4. Step 4: Simplify right side
    60,124.51x = 3,293,106,527.98
  5. Step 5: Solve for x
    x = 3,293,106,527.98/60,124.51
  6. Step 6: Final answer
    x = 54,771.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.