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Finding the Fourth Proportional to 60,097.44, 90,123.76 and 20,643.36

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Solution

The fourth proportional to 60,097.44, 90,123.76 and 20,643.36 is: 30,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,097.44 : 90,123.76 = 20,643.36 : x
  2. Step 2: Convert to fraction form
    60,097.44/90,123.76 = 20,643.36/x
  3. Step 3: Cross multiply
    60,097.44x = 90,123.76 × 20,643.36
  4. Step 4: Simplify right side
    60,097.44x = 1,860,457,222.23
  5. Step 5: Solve for x
    x = 1,860,457,222.23/60,097.44
  6. Step 6: Final answer
    x = 30,957.35

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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.