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Finding the Fourth Proportional to 19,653.59, 29,470.79 and 6,501.52

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Solution

The fourth proportional to 19,653.59, 29,470.79 and 6,501.52 is: 9,749.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.59 : 29,470.79 = 6,501.52 : x
  2. Step 2: Convert to fraction form
    19,653.59/29,470.79 = 6,501.52/x
  3. Step 3: Cross multiply
    19,653.59x = 29,470.79 × 6,501.52
  4. Step 4: Simplify right side
    19,653.59x = 191,604,781.35
  5. Step 5: Solve for x
    x = 191,604,781.35/19,653.59
  6. Step 6: Final answer
    x = 9,749.10

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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.