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Finding the Fourth Proportional to 48,187.30, 72,280.95 and 14,904.40

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Solution

The fourth proportional to 48,187.30, 72,280.95 and 14,904.40 is: 22,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,187.30 : 72,280.95 = 14,904.40 : x
  2. Step 2: Convert to fraction form
    48,187.30/72,280.95 = 14,904.40/x
  3. Step 3: Cross multiply
    48,187.30x = 72,280.95 × 14,904.40
  4. Step 4: Simplify right side
    48,187.30x = 1,077,304,191.18
  5. Step 5: Solve for x
    x = 1,077,304,191.18/48,187.30
  6. Step 6: Final answer
    x = 22,356.60

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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.