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Finding the Fourth Proportional to 38,406.52, 53,011.02 and 25,014.52

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Solution

The fourth proportional to 38,406.52, 53,011.02 and 25,014.52 is: 34,526.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,406.52 : 53,011.02 = 25,014.52 : x
  2. Step 2: Convert to fraction form
    38,406.52/53,011.02 = 25,014.52/x
  3. Step 3: Cross multiply
    38,406.52x = 53,011.02 × 25,014.52
  4. Step 4: Simplify right side
    38,406.52x = 1,326,045,220.01
  5. Step 5: Solve for x
    x = 1,326,045,220.01/38,406.52
  6. Step 6: Final answer
    x = 34,526.57

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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.