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Finding the Fourth Proportional to 45,374.15, 68,068.48 and 15,800.39

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Solution

The fourth proportional to 45,374.15, 68,068.48 and 15,800.39 is: 23,703.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,374.15 : 68,068.48 = 15,800.39 : x
  2. Step 2: Convert to fraction form
    45,374.15/68,068.48 = 15,800.39/x
  3. Step 3: Cross multiply
    45,374.15x = 68,068.48 × 15,800.39
  4. Step 4: Simplify right side
    45,374.15x = 1,075,508,150.86
  5. Step 5: Solve for x
    x = 1,075,508,150.86/45,374.15
  6. Step 6: Final answer
    x = 23,703.11

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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.