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Finding the Fourth Proportional to 52,831.63, 72,915.13 and 32,695.00

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Solution

The fourth proportional to 52,831.63, 72,915.13 and 32,695.00 is: 45,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,831.63 : 72,915.13 = 32,695.00 : x
  2. Step 2: Convert to fraction form
    52,831.63/72,915.13 = 32,695.00/x
  3. Step 3: Cross multiply
    52,831.63x = 72,915.13 × 32,695.00
  4. Step 4: Simplify right side
    52,831.63x = 2,383,959,911.32
  5. Step 5: Solve for x
    x = 2,383,959,911.32/52,831.63
  6. Step 6: Final answer
    x = 45,123.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.