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Finding the Fourth Proportional to 64,300.87, 96,435.71 and 26,840.64

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Solution

The fourth proportional to 64,300.87, 96,435.71 and 26,840.64 is: 40,254.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,300.87 : 96,435.71 = 26,840.64 : x
  2. Step 2: Convert to fraction form
    64,300.87/96,435.71 = 26,840.64/x
  3. Step 3: Cross multiply
    64,300.87x = 96,435.71 × 26,840.64
  4. Step 4: Simplify right side
    64,300.87x = 2,588,396,041.05
  5. Step 5: Solve for x
    x = 2,588,396,041.05/64,300.87
  6. Step 6: Final answer
    x = 40,254.45

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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.