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Finding the Fourth Proportional to 58,660.16, 80,929.80 and 38,527.94

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Solution

The fourth proportional to 58,660.16, 80,929.80 and 38,527.94 is: 53,154.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,660.16 : 80,929.80 = 38,527.94 : x
  2. Step 2: Convert to fraction form
    58,660.16/80,929.80 = 38,527.94/x
  3. Step 3: Cross multiply
    58,660.16x = 80,929.80 × 38,527.94
  4. Step 4: Simplify right side
    58,660.16x = 3,118,058,680.94
  5. Step 5: Solve for x
    x = 3,118,058,680.94/58,660.16
  6. Step 6: Final answer
    x = 53,154.63

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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.