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Finding the Fourth Proportional to 64,632.36, 96,948.54 and 20,259.34

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Solution

The fourth proportional to 64,632.36, 96,948.54 and 20,259.34 is: 30,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,632.36 : 96,948.54 = 20,259.34 : x
  2. Step 2: Convert to fraction form
    64,632.36/96,948.54 = 20,259.34/x
  3. Step 3: Cross multiply
    64,632.36x = 96,948.54 × 20,259.34
  4. Step 4: Simplify right side
    64,632.36x = 1,964,113,434.36
  5. Step 5: Solve for x
    x = 1,964,113,434.36/64,632.36
  6. Step 6: Final answer
    x = 30,389.01

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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.