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Finding the Fourth Proportional to 10,898.51, 16,347.76 and 3,502.94

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Solution

The fourth proportional to 10,898.51, 16,347.76 and 3,502.94 is: 5,254.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.51 : 16,347.76 = 3,502.94 : x
  2. Step 2: Convert to fraction form
    10,898.51/16,347.76 = 3,502.94/x
  3. Step 3: Cross multiply
    10,898.51x = 16,347.76 × 3,502.94
  4. Step 4: Simplify right side
    10,898.51x = 57,265,131.92
  5. Step 5: Solve for x
    x = 57,265,131.92/10,898.51
  6. Step 6: Final answer
    x = 5,254.40

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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.