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Finding the Fourth Proportional to 23,280.63, 32,127.95 and 12,670.95

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Solution

The fourth proportional to 23,280.63, 32,127.95 and 12,670.95 is: 17,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.63 : 32,127.95 = 12,670.95 : x
  2. Step 2: Convert to fraction form
    23,280.63/32,127.95 = 12,670.95/x
  3. Step 3: Cross multiply
    23,280.63x = 32,127.95 × 12,670.95
  4. Step 4: Simplify right side
    23,280.63x = 407,091,648.05
  5. Step 5: Solve for x
    x = 407,091,648.05/23,280.63
  6. Step 6: Final answer
    x = 17,486.28

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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.