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Finding the Fourth Proportional to 57,048.64, 85,565.63 and 14,931.61

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Solution

The fourth proportional to 57,048.64, 85,565.63 and 14,931.61 is: 22,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,048.64 : 85,565.63 = 14,931.61 : x
  2. Step 2: Convert to fraction form
    57,048.64/85,565.63 = 14,931.61/x
  3. Step 3: Cross multiply
    57,048.64x = 85,565.63 × 14,931.61
  4. Step 4: Simplify right side
    57,048.64x = 1,277,632,439.98
  5. Step 5: Solve for x
    x = 1,277,632,439.98/57,048.64
  6. Step 6: Final answer
    x = 22,395.49

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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.