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Finding the Fourth Proportional to 49,697.76, 74,549.04 and 14,637.76

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Solution

The fourth proportional to 49,697.76, 74,549.04 and 14,637.76 is: 21,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,697.76 : 74,549.04 = 14,637.76 : x
  2. Step 2: Convert to fraction form
    49,697.76/74,549.04 = 14,637.76/x
  3. Step 3: Cross multiply
    49,697.76x = 74,549.04 × 14,637.76
  4. Step 4: Simplify right side
    49,697.76x = 1,091,230,955.75
  5. Step 5: Solve for x
    x = 1,091,230,955.75/49,697.76
  6. Step 6: Final answer
    x = 21,957.35

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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.