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Finding the Fourth Proportional to 38,030.77, 57,041.08 and 9,948.59

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Solution

The fourth proportional to 38,030.77, 57,041.08 and 9,948.59 is: 14,921.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,030.77 : 57,041.08 = 9,948.59 : x
  2. Step 2: Convert to fraction form
    38,030.77/57,041.08 = 9,948.59/x
  3. Step 3: Cross multiply
    38,030.77x = 57,041.08 × 9,948.59
  4. Step 4: Simplify right side
    38,030.77x = 567,478,318.08
  5. Step 5: Solve for x
    x = 567,478,318.08/38,030.77
  6. Step 6: Final answer
    x = 14,921.56

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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.