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Finding the Fourth Proportional to 42,502.34, 63,750.27 and 14,800.34

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Solution

The fourth proportional to 42,502.34, 63,750.27 and 14,800.34 is: 22,199.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,502.34 : 63,750.27 = 14,800.34 : x
  2. Step 2: Convert to fraction form
    42,502.34/63,750.27 = 14,800.34/x
  3. Step 3: Cross multiply
    42,502.34x = 63,750.27 × 14,800.34
  4. Step 4: Simplify right side
    42,502.34x = 943,525,671.09
  5. Step 5: Solve for x
    x = 943,525,671.09/42,502.34
  6. Step 6: Final answer
    x = 22,199.38

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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.