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Finding the Fourth Proportional to 63,030.10, 86,981.10 and 34,735.80

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Solution

The fourth proportional to 63,030.10, 86,981.10 and 34,735.80 is: 47,935.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,030.10 : 86,981.10 = 34,735.80 : x
  2. Step 2: Convert to fraction form
    63,030.10/86,981.10 = 34,735.80/x
  3. Step 3: Cross multiply
    63,030.10x = 86,981.10 × 34,735.80
  4. Step 4: Simplify right side
    63,030.10x = 3,021,358,093.38
  5. Step 5: Solve for x
    x = 3,021,358,093.38/63,030.10
  6. Step 6: Final answer
    x = 47,935.16

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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.