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Finding the Fourth Proportional to 48,334.92, 72,501.48 and 19,865.88

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Solution

The fourth proportional to 48,334.92, 72,501.48 and 19,865.88 is: 29,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,334.92 : 72,501.48 = 19,865.88 : x
  2. Step 2: Convert to fraction form
    48,334.92/72,501.48 = 19,865.88/x
  3. Step 3: Cross multiply
    48,334.92x = 72,501.48 × 19,865.88
  4. Step 4: Simplify right side
    48,334.92x = 1,440,305,701.50
  5. Step 5: Solve for x
    x = 1,440,305,701.50/48,334.92
  6. Step 6: Final answer
    x = 29,798.45

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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.