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Finding the Fourth Proportional to 28,062.18, 42,056.01 and 14,886.18

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Solution

The fourth proportional to 28,062.18, 42,056.01 and 14,886.18 is: 22,309.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062.18 : 42,056.01 = 14,886.18 : x
  2. Step 2: Convert to fraction form
    28,062.18/42,056.01 = 14,886.18/x
  3. Step 3: Cross multiply
    28,062.18x = 42,056.01 × 14,886.18
  4. Step 4: Simplify right side
    28,062.18x = 626,053,334.94
  5. Step 5: Solve for x
    x = 626,053,334.94/28,062.18
  6. Step 6: Final answer
    x = 22,309.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.