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Finding the Fourth Proportional to 38,499, 53,125.02 and 22,580.40

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Solution

The fourth proportional to 38,499, 53,125.02 and 22,580.40 is: 31,158.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,499 : 53,125.02 = 22,580.40 : x
  2. Step 2: Convert to fraction form
    38,499/53,125.02 = 22,580.40/x
  3. Step 3: Cross multiply
    38,499x = 53,125.02 × 22,580.40
  4. Step 4: Simplify right side
    38,499x = 1,199,584,201.61
  5. Step 5: Solve for x
    x = 1,199,584,201.61/38,499
  6. Step 6: Final answer
    x = 31,158.84

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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.