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Finding the Fourth Proportional to 56,277.80, 84,416.70 and 14,724.80

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Solution

The fourth proportional to 56,277.80, 84,416.70 and 14,724.80 is: 22,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,277.80 : 84,416.70 = 14,724.80 : x
  2. Step 2: Convert to fraction form
    56,277.80/84,416.70 = 14,724.80/x
  3. Step 3: Cross multiply
    56,277.80x = 84,416.70 × 14,724.80
  4. Step 4: Simplify right side
    56,277.80x = 1,243,019,024.16
  5. Step 5: Solve for x
    x = 1,243,019,024.16/56,277.80
  6. Step 6: Final answer
    x = 22,087.20

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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.