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Finding the Fourth Proportional to 39,601.40, 59,459.70 and 29,809.40

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Solution

The fourth proportional to 39,601.40, 59,459.70 and 29,809.40 is: 44,757.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,601.40 : 59,459.70 = 29,809.40 : x
  2. Step 2: Convert to fraction form
    39,601.40/59,459.70 = 29,809.40/x
  3. Step 3: Cross multiply
    39,601.40x = 59,459.70 × 29,809.40
  4. Step 4: Simplify right side
    39,601.40x = 1,772,457,981.18
  5. Step 5: Solve for x
    x = 1,772,457,981.18/39,601.40
  6. Step 6: Final answer
    x = 44,757.46

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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.