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Finding the Fourth Proportional to 60,482.39, 83,503.16 and 39,009.08

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Solution

The fourth proportional to 60,482.39, 83,503.16 and 39,009.08 is: 53,856.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,482.39 : 83,503.16 = 39,009.08 : x
  2. Step 2: Convert to fraction form
    60,482.39/83,503.16 = 39,009.08/x
  3. Step 3: Cross multiply
    60,482.39x = 83,503.16 × 39,009.08
  4. Step 4: Simplify right side
    60,482.39x = 3,257,380,836.13
  5. Step 5: Solve for x
    x = 3,257,380,836.13/60,482.39
  6. Step 6: Final answer
    x = 53,856.69

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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.