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Finding the Fourth Proportional to 66,009.40, 99,062.70 and 26,594.80

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Solution

The fourth proportional to 66,009.40, 99,062.70 and 26,594.80 is: 39,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,009.40 : 99,062.70 = 26,594.80 : x
  2. Step 2: Convert to fraction form
    66,009.40/99,062.70 = 26,594.80/x
  3. Step 3: Cross multiply
    66,009.40x = 99,062.70 × 26,594.80
  4. Step 4: Simplify right side
    66,009.40x = 2,634,552,693.96
  5. Step 5: Solve for x
    x = 2,634,552,693.96/66,009.40
  6. Step 6: Final answer
    x = 39,911.78

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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.