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Finding the Fourth Proportional to 56,457.72, 84,686.58 and 14,905.08

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Solution

The fourth proportional to 56,457.72, 84,686.58 and 14,905.08 is: 22,357.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,457.72 : 84,686.58 = 14,905.08 : x
  2. Step 2: Convert to fraction form
    56,457.72/84,686.58 = 14,905.08/x
  3. Step 3: Cross multiply
    56,457.72x = 84,686.58 × 14,905.08
  4. Step 4: Simplify right side
    56,457.72x = 1,262,260,249.83
  5. Step 5: Solve for x
    x = 1,262,260,249.83/56,457.72
  6. Step 6: Final answer
    x = 22,357.62

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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.