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Finding the Fourth Proportional to 64,814.06, 97,221.11 and 15,566.06

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Solution

The fourth proportional to 64,814.06, 97,221.11 and 15,566.06 is: 23,349.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,814.06 : 97,221.11 = 15,566.06 : x
  2. Step 2: Convert to fraction form
    64,814.06/97,221.11 = 15,566.06/x
  3. Step 3: Cross multiply
    64,814.06x = 97,221.11 × 15,566.06
  4. Step 4: Simplify right side
    64,814.06x = 1,513,349,796.75
  5. Step 5: Solve for x
    x = 1,513,349,796.75/64,814.06
  6. Step 6: Final answer
    x = 23,349.10

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Similar ratio
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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.