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Finding the Fourth Proportional to 32,749.60, 49,124.40 and 11,970.40

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Solution

The fourth proportional to 32,749.60, 49,124.40 and 11,970.40 is: 17,955.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,749.60 : 49,124.40 = 11,970.40 : x
  2. Step 2: Convert to fraction form
    32,749.60/49,124.40 = 11,970.40/x
  3. Step 3: Cross multiply
    32,749.60x = 49,124.40 × 11,970.40
  4. Step 4: Simplify right side
    32,749.60x = 588,038,717.76
  5. Step 5: Solve for x
    x = 588,038,717.76/32,749.60
  6. Step 6: Final answer
    x = 17,955.60

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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.