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Finding the Fourth Proportional to 94,440, 130,324.62 and 51,998.76

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Solution

The fourth proportional to 94,440, 130,324.62 and 51,998.76 is: 71,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,440 : 130,324.62 = 51,998.76 : x
  2. Step 2: Convert to fraction form
    94,440/130,324.62 = 51,998.76/x
  3. Step 3: Cross multiply
    94,440x = 130,324.62 × 51,998.76
  4. Step 4: Simplify right side
    94,440x = 6,776,718,637.47
  5. Step 5: Solve for x
    x = 6,776,718,637.47/94,440
  6. Step 6: Final answer
    x = 71,756.87

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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.