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Finding the Fourth Proportional to 66,595.37, 91,904.36 and 38,301.03

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Solution

The fourth proportional to 66,595.37, 91,904.36 and 38,301.03 is: 52,857.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,595.37 : 91,904.36 = 38,301.03 : x
  2. Step 2: Convert to fraction form
    66,595.37/91,904.36 = 38,301.03/x
  3. Step 3: Cross multiply
    66,595.37x = 91,904.36 × 38,301.03
  4. Step 4: Simplify right side
    66,595.37x = 3,520,031,457.99
  5. Step 5: Solve for x
    x = 3,520,031,457.99/66,595.37
  6. Step 6: Final answer
    x = 52,857.00

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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.