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Finding the Fourth Proportional to 65,699.01, 90,645.84 and 37,008.63

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Solution

The fourth proportional to 65,699.01, 90,645.84 and 37,008.63 is: 51,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,699.01 : 90,645.84 = 37,008.63 : x
  2. Step 2: Convert to fraction form
    65,699.01/90,645.84 = 37,008.63/x
  3. Step 3: Cross multiply
    65,699.01x = 90,645.84 × 37,008.63
  4. Step 4: Simplify right side
    65,699.01x = 3,354,678,353.60
  5. Step 5: Solve for x
    x = 3,354,678,353.60/65,699.01
  6. Step 6: Final answer
    x = 51,061.32

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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.