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Finding the Fourth Proportional to 47,133.50, 65,045.75 and 25,914.30

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Solution

The fourth proportional to 47,133.50, 65,045.75 and 25,914.30 is: 35,762.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,133.50 : 65,045.75 = 25,914.30 : x
  2. Step 2: Convert to fraction form
    47,133.50/65,045.75 = 25,914.30/x
  3. Step 3: Cross multiply
    47,133.50x = 65,045.75 × 25,914.30
  4. Step 4: Simplify right side
    47,133.50x = 1,685,615,079.23
  5. Step 5: Solve for x
    x = 1,685,615,079.23/47,133.50
  6. Step 6: Final answer
    x = 35,762.57

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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.