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Finding the Fourth Proportional to 23,483.52, 32,406.40 and 14,047.20

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Solution

The fourth proportional to 23,483.52, 32,406.40 and 14,047.20 is: 19,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,483.52 : 32,406.40 = 14,047.20 : x
  2. Step 2: Convert to fraction form
    23,483.52/32,406.40 = 14,047.20/x
  3. Step 3: Cross multiply
    23,483.52x = 32,406.40 × 14,047.20
  4. Step 4: Simplify right side
    23,483.52x = 455,219,182.08
  5. Step 5: Solve for x
    x = 455,219,182.08/23,483.52
  6. Step 6: Final answer
    x = 19,384.62

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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.