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Finding the Fourth Proportional to 30,092.74, 45,139.06 and 9,032.76

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Solution

The fourth proportional to 30,092.74, 45,139.06 and 9,032.76 is: 13,549.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,092.74 : 45,139.06 = 9,032.76 : x
  2. Step 2: Convert to fraction form
    30,092.74/45,139.06 = 9,032.76/x
  3. Step 3: Cross multiply
    30,092.74x = 45,139.06 × 9,032.76
  4. Step 4: Simplify right side
    30,092.74x = 407,730,273.02
  5. Step 5: Solve for x
    x = 407,730,273.02/30,092.74
  6. Step 6: Final answer
    x = 13,549.13

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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.