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Finding the Fourth Proportional to 38,041.68, 57,062.64 and 10,339.68

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Solution

The fourth proportional to 38,041.68, 57,062.64 and 10,339.68 is: 15,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,041.68 : 57,062.64 = 10,339.68 : x
  2. Step 2: Convert to fraction form
    38,041.68/57,062.64 = 10,339.68/x
  3. Step 3: Cross multiply
    38,041.68x = 57,062.64 × 10,339.68
  4. Step 4: Simplify right side
    38,041.68x = 590,009,437.56
  5. Step 5: Solve for x
    x = 590,009,437.56/38,041.68
  6. Step 6: Final answer
    x = 15,509.55

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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.