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Finding the Fourth Proportional to 32,898.48, 49,347.25 and 7,938.32

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Solution

The fourth proportional to 32,898.48, 49,347.25 and 7,938.32 is: 11,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,898.48 : 49,347.25 = 7,938.32 : x
  2. Step 2: Convert to fraction form
    32,898.48/49,347.25 = 7,938.32/x
  3. Step 3: Cross multiply
    32,898.48x = 49,347.25 × 7,938.32
  4. Step 4: Simplify right side
    32,898.48x = 391,734,024.81
  5. Step 5: Solve for x
    x = 391,734,024.81/32,898.48
  6. Step 6: Final answer
    x = 11,907.36

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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.