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Finding the Fourth Proportional to 60,601.60, 83,645.76 and 54,303.04

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Solution

The fourth proportional to 60,601.60, 83,645.76 and 54,303.04 is: 74,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,601.60 : 83,645.76 = 54,303.04 : x
  2. Step 2: Convert to fraction form
    60,601.60/83,645.76 = 54,303.04/x
  3. Step 3: Cross multiply
    60,601.60x = 83,645.76 × 54,303.04
  4. Step 4: Simplify right side
    60,601.60x = 4,542,219,051.11
  5. Step 5: Solve for x
    x = 4,542,219,051.11/60,601.60
  6. Step 6: Final answer
    x = 74,952.13

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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.