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Finding the Fourth Proportional to 59,646.19, 89,466.95 and 20,203.30

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Solution

The fourth proportional to 59,646.19, 89,466.95 and 20,203.30 is: 30,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,646.19 : 89,466.95 = 20,203.30 : x
  2. Step 2: Convert to fraction form
    59,646.19/89,466.95 = 20,203.30/x
  3. Step 3: Cross multiply
    59,646.19x = 89,466.95 × 20,203.30
  4. Step 4: Simplify right side
    59,646.19x = 1,807,527,679.63
  5. Step 5: Solve for x
    x = 1,807,527,679.63/59,646.19
  6. Step 6: Final answer
    x = 30,304.16

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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.