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Finding the Fourth Proportional to 91,955.58, 126,894.65 and 53,718.67

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Solution

The fourth proportional to 91,955.58, 126,894.65 and 53,718.67 is: 74,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,955.58 : 126,894.65 = 53,718.67 : x
  2. Step 2: Convert to fraction form
    91,955.58/126,894.65 = 53,718.67/x
  3. Step 3: Cross multiply
    91,955.58x = 126,894.65 × 53,718.67
  4. Step 4: Simplify right side
    91,955.58x = 6,816,611,663.42
  5. Step 5: Solve for x
    x = 6,816,611,663.42/91,955.58
  6. Step 6: Final answer
    x = 74,129.40

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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.