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Finding the Fourth Proportional to 93,924.80, 129,615.54 and 51,482.60

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Solution

The fourth proportional to 93,924.80, 129,615.54 and 51,482.60 is: 71,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,924.80 : 129,615.54 = 51,482.60 : x
  2. Step 2: Convert to fraction form
    93,924.80/129,615.54 = 51,482.60/x
  3. Step 3: Cross multiply
    93,924.80x = 129,615.54 × 51,482.60
  4. Step 4: Simplify right side
    93,924.80x = 6,672,944,999.60
  5. Step 5: Solve for x
    x = 6,672,944,999.60/93,924.80
  6. Step 6: Final answer
    x = 71,045.61

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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.