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Finding the Fourth Proportional to 43,792.50, 65,699.10 and 14,210.28

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Solution

The fourth proportional to 43,792.50, 65,699.10 and 14,210.28 is: 21,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,792.50 : 65,699.10 = 14,210.28 : x
  2. Step 2: Convert to fraction form
    43,792.50/65,699.10 = 14,210.28/x
  3. Step 3: Cross multiply
    43,792.50x = 65,699.10 × 14,210.28
  4. Step 4: Simplify right side
    43,792.50x = 933,602,606.75
  5. Step 5: Solve for x
    x = 933,602,606.75/43,792.50
  6. Step 6: Final answer
    x = 21,318.78

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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.