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Finding the Fourth Proportional to 53,585.58, 73,947.48 and 30,924.30

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Solution

The fourth proportional to 53,585.58, 73,947.48 and 30,924.30 is: 42,675.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,585.58 : 73,947.48 = 30,924.30 : x
  2. Step 2: Convert to fraction form
    53,585.58/73,947.48 = 30,924.30/x
  3. Step 3: Cross multiply
    53,585.58x = 73,947.48 × 30,924.30
  4. Step 4: Simplify right side
    53,585.58x = 2,286,774,055.76
  5. Step 5: Solve for x
    x = 2,286,774,055.76/53,585.58
  6. Step 6: Final answer
    x = 42,675.18

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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.