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Finding the Fourth Proportional to 64,025.60, 96,038.40 and 41,907.20

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Solution

The fourth proportional to 64,025.60, 96,038.40 and 41,907.20 is: 62,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,025.60 : 96,038.40 = 41,907.20 : x
  2. Step 2: Convert to fraction form
    64,025.60/96,038.40 = 41,907.20/x
  3. Step 3: Cross multiply
    64,025.60x = 96,038.40 × 41,907.20
  4. Step 4: Simplify right side
    64,025.60x = 4,024,700,436.48
  5. Step 5: Solve for x
    x = 4,024,700,436.48/64,025.60
  6. Step 6: Final answer
    x = 62,860.80

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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.