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Finding the Fourth Proportional to 82,931.40, 124,416.60 and 33,014.32

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Solution

The fourth proportional to 82,931.40, 124,416.60 and 33,014.32 is: 49,529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,931.40 : 124,416.60 = 33,014.32 : x
  2. Step 2: Convert to fraction form
    82,931.40/124,416.60 = 33,014.32/x
  3. Step 3: Cross multiply
    82,931.40x = 124,416.60 × 33,014.32
  4. Step 4: Simplify right side
    82,931.40x = 4,107,529,445.71
  5. Step 5: Solve for x
    x = 4,107,529,445.71/82,931.40
  6. Step 6: Final answer
    x = 49,529.24

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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.