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Finding the Fourth Proportional to 55,833.63, 83,751.05 and 14,280.63

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Solution

The fourth proportional to 55,833.63, 83,751.05 and 14,280.63 is: 21,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,833.63 : 83,751.05 = 14,280.63 : x
  2. Step 2: Convert to fraction form
    55,833.63/83,751.05 = 14,280.63/x
  3. Step 3: Cross multiply
    55,833.63x = 83,751.05 × 14,280.63
  4. Step 4: Simplify right side
    55,833.63x = 1,196,017,757.16
  5. Step 5: Solve for x
    x = 1,196,017,757.16/55,833.63
  6. Step 6: Final answer
    x = 21,421.10

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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.