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Finding the Fourth Proportional to 62,656.80, 86,465.68 and 34,362.40

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Solution

The fourth proportional to 62,656.80, 86,465.68 and 34,362.40 is: 47,419.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,656.80 : 86,465.68 = 34,362.40 : x
  2. Step 2: Convert to fraction form
    62,656.80/86,465.68 = 34,362.40/x
  3. Step 3: Cross multiply
    62,656.80x = 86,465.68 × 34,362.40
  4. Step 4: Simplify right side
    62,656.80x = 2,971,168,282.43
  5. Step 5: Solve for x
    x = 2,971,168,282.43/62,656.80
  6. Step 6: Final answer
    x = 47,419.73

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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.