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Finding the Fourth Proportional to 58,314.84, 87,473.60 and 20,877.48

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Solution

The fourth proportional to 58,314.84, 87,473.60 and 20,877.48 is: 31,316.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,314.84 : 87,473.60 = 20,877.48 : x
  2. Step 2: Convert to fraction form
    58,314.84/87,473.60 = 20,877.48/x
  3. Step 3: Cross multiply
    58,314.84x = 87,473.60 × 20,877.48
  4. Step 4: Simplify right side
    58,314.84x = 1,826,228,334.53
  5. Step 5: Solve for x
    x = 1,826,228,334.53/58,314.84
  6. Step 6: Final answer
    x = 31,316.70

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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.