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Finding the Fourth Proportional to 57,099.50, 78,831.88 and 37,262.06

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Solution

The fourth proportional to 57,099.50, 78,831.88 and 37,262.06 is: 51,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,099.50 : 78,831.88 = 37,262.06 : x
  2. Step 2: Convert to fraction form
    57,099.50/78,831.88 = 37,262.06/x
  3. Step 3: Cross multiply
    57,099.50x = 78,831.88 × 37,262.06
  4. Step 4: Simplify right side
    57,099.50x = 2,937,438,242.47
  5. Step 5: Solve for x
    x = 2,937,438,242.47/57,099.50
  6. Step 6: Final answer
    x = 51,444.20

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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.