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Finding the Fourth Proportional to 75,907.63, 104,752.53 and 42,373.63

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Solution

The fourth proportional to 75,907.63, 104,752.53 and 42,373.63 is: 58,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,907.63 : 104,752.53 = 42,373.63 : x
  2. Step 2: Convert to fraction form
    75,907.63/104,752.53 = 42,373.63/x
  3. Step 3: Cross multiply
    75,907.63x = 104,752.53 × 42,373.63
  4. Step 4: Simplify right side
    75,907.63x = 4,438,744,212.15
  5. Step 5: Solve for x
    x = 4,438,744,212.15/75,907.63
  6. Step 6: Final answer
    x = 58,475.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.