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Finding the Fourth Proportional to 19,134.01, 28,700.22 and 6,656.86

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Solution

The fourth proportional to 19,134.01, 28,700.22 and 6,656.86 is: 9,985.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.01 : 28,700.22 = 6,656.86 : x
  2. Step 2: Convert to fraction form
    19,134.01/28,700.22 = 6,656.86/x
  3. Step 3: Cross multiply
    19,134.01x = 28,700.22 × 6,656.86
  4. Step 4: Simplify right side
    19,134.01x = 191,053,346.51
  5. Step 5: Solve for x
    x = 191,053,346.51/19,134.01
  6. Step 6: Final answer
    x = 9,985.01

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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.