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Finding the Fourth Proportional to 62,606.16, 86,396.76 and 34,312.32

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Solution

The fourth proportional to 62,606.16, 86,396.76 and 34,312.32 is: 47,351.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,606.16 : 86,396.76 = 34,312.32 : x
  2. Step 2: Convert to fraction form
    62,606.16/86,396.76 = 34,312.32/x
  3. Step 3: Cross multiply
    62,606.16x = 86,396.76 × 34,312.32
  4. Step 4: Simplify right side
    62,606.16x = 2,964,473,276.08
  5. Step 5: Solve for x
    x = 2,964,473,276.08/62,606.16
  6. Step 6: Final answer
    x = 47,351.14

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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.