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Finding the Fourth Proportional to 58,334.76, 87,520.41 and 20,894.13

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Solution

The fourth proportional to 58,334.76, 87,520.41 and 20,894.13 is: 31,347.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,334.76 : 87,520.41 = 20,894.13 : x
  2. Step 2: Convert to fraction form
    58,334.76/87,520.41 = 20,894.13/x
  3. Step 3: Cross multiply
    58,334.76x = 87,520.41 × 20,894.13
  4. Step 4: Simplify right side
    58,334.76x = 1,828,662,824.19
  5. Step 5: Solve for x
    x = 1,828,662,824.19/58,334.76
  6. Step 6: Final answer
    x = 31,347.74

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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.