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Finding the Fourth Proportional to 64,020.52, 96,030.80 and 21,901.01

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Solution

The fourth proportional to 64,020.52, 96,030.80 and 21,901.01 is: 32,851.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,020.52 : 96,030.80 = 21,901.01 : x
  2. Step 2: Convert to fraction form
    64,020.52/96,030.80 = 21,901.01/x
  3. Step 3: Cross multiply
    64,020.52x = 96,030.80 × 21,901.01
  4. Step 4: Simplify right side
    64,020.52x = 2,103,171,003.58
  5. Step 5: Solve for x
    x = 2,103,171,003.58/64,020.52
  6. Step 6: Final answer
    x = 32,851.51

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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.