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Finding the Fourth Proportional to 58,907.20, 88,360.80 and 25,621.60

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Solution

The fourth proportional to 58,907.20, 88,360.80 and 25,621.60 is: 38,432.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,907.20 : 88,360.80 = 25,621.60 : x
  2. Step 2: Convert to fraction form
    58,907.20/88,360.80 = 25,621.60/x
  3. Step 3: Cross multiply
    58,907.20x = 88,360.80 × 25,621.60
  4. Step 4: Simplify right side
    58,907.20x = 2,263,945,073.28
  5. Step 5: Solve for x
    x = 2,263,945,073.28/58,907.20
  6. Step 6: Final answer
    x = 38,432.40

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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.