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Finding the Fourth Proportional to 71,594.71, 98,811.48 and 51,518.05

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Solution

The fourth proportional to 71,594.71, 98,811.48 and 51,518.05 is: 71,102.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,594.71 : 98,811.48 = 51,518.05 : x
  2. Step 2: Convert to fraction form
    71,594.71/98,811.48 = 51,518.05/x
  3. Step 3: Cross multiply
    71,594.71x = 98,811.48 × 51,518.05
  4. Step 4: Simplify right side
    71,594.71x = 5,090,574,767.21
  5. Step 5: Solve for x
    x = 5,090,574,767.21/71,594.71
  6. Step 6: Final answer
    x = 71,102.67

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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.