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Finding the Fourth Proportional to 64,810.32, 89,438.23 and 35,002.32

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Solution

The fourth proportional to 64,810.32, 89,438.23 and 35,002.32 is: 48,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,810.32 : 89,438.23 = 35,002.32 : x
  2. Step 2: Convert to fraction form
    64,810.32/89,438.23 = 35,002.32/x
  3. Step 3: Cross multiply
    64,810.32x = 89,438.23 × 35,002.32
  4. Step 4: Simplify right side
    64,810.32x = 3,130,545,546.69
  5. Step 5: Solve for x
    x = 3,130,545,546.69/64,810.32
  6. Step 6: Final answer
    x = 48,303.20

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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.