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Finding the Fourth Proportional to 58,200.40, 80,323.08 and 33,054.16

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Solution

The fourth proportional to 58,200.40, 80,323.08 and 33,054.16 is: 45,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,200.40 : 80,323.08 = 33,054.16 : x
  2. Step 2: Convert to fraction form
    58,200.40/80,323.08 = 33,054.16/x
  3. Step 3: Cross multiply
    58,200.40x = 80,323.08 × 33,054.16
  4. Step 4: Simplify right side
    58,200.40x = 2,655,011,938.01
  5. Step 5: Solve for x
    x = 2,655,011,938.01/58,200.40
  6. Step 6: Final answer
    x = 45,618.45

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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.