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Finding the Fourth Proportional to 60,344.19, 90,520.72 and 15,970.64

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Solution

The fourth proportional to 60,344.19, 90,520.72 and 15,970.64 is: 23,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,344.19 : 90,520.72 = 15,970.64 : x
  2. Step 2: Convert to fraction form
    60,344.19/90,520.72 = 15,970.64/x
  3. Step 3: Cross multiply
    60,344.19x = 90,520.72 × 15,970.64
  4. Step 4: Simplify right side
    60,344.19x = 1,445,673,871.59
  5. Step 5: Solve for x
    x = 1,445,673,871.59/60,344.19
  6. Step 6: Final answer
    x = 23,957.14

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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.