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Finding the Fourth Proportional to 38,348.68, 57,526.98 and 10,646.68

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Solution

The fourth proportional to 38,348.68, 57,526.98 and 10,646.68 is: 15,971.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,348.68 : 57,526.98 = 10,646.68 : x
  2. Step 2: Convert to fraction form
    38,348.68/57,526.98 = 10,646.68/x
  3. Step 3: Cross multiply
    38,348.68x = 57,526.98 × 10,646.68
  4. Step 4: Simplify right side
    38,348.68x = 612,471,347.43
  5. Step 5: Solve for x
    x = 612,471,347.43/38,348.68
  6. Step 6: Final answer
    x = 15,971.12

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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.