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Finding the Fourth Proportional to 93,038.63, 128,393.91 and 50,597.46

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Solution

The fourth proportional to 93,038.63, 128,393.91 and 50,597.46 is: 69,824.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,038.63 : 128,393.91 = 50,597.46 : x
  2. Step 2: Convert to fraction form
    93,038.63/128,393.91 = 50,597.46/x
  3. Step 3: Cross multiply
    93,038.63x = 128,393.91 × 50,597.46
  4. Step 4: Simplify right side
    93,038.63x = 6,496,405,725.47
  5. Step 5: Solve for x
    x = 6,496,405,725.47/93,038.63
  6. Step 6: Final answer
    x = 69,824.83

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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.