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Finding the Fourth Proportional to 70,312.05, 96,939.02 and 44,809.11

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Solution

The fourth proportional to 70,312.05, 96,939.02 and 44,809.11 is: 61,778.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,312.05 : 96,939.02 = 44,809.11 : x
  2. Step 2: Convert to fraction form
    70,312.05/96,939.02 = 44,809.11/x
  3. Step 3: Cross multiply
    70,312.05x = 96,939.02 × 44,809.11
  4. Step 4: Simplify right side
    70,312.05x = 4,343,750,501.73
  5. Step 5: Solve for x
    x = 4,343,750,501.73/70,312.05
  6. Step 6: Final answer
    x = 61,778.18

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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.