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Finding the Fourth Proportional to 39,898.49, 59,849.79 and 10,316.58

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Solution

The fourth proportional to 39,898.49, 59,849.79 and 10,316.58 is: 15,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,898.49 : 59,849.79 = 10,316.58 : x
  2. Step 2: Convert to fraction form
    39,898.49/59,849.79 = 10,316.58/x
  3. Step 3: Cross multiply
    39,898.49x = 59,849.79 × 10,316.58
  4. Step 4: Simplify right side
    39,898.49x = 617,445,146.52
  5. Step 5: Solve for x
    x = 617,445,146.52/39,898.49
  6. Step 6: Final answer
    x = 15,475.40

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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.