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Finding the Fourth Proportional to 37,503.60, 51,746.40 and 21,585.12

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Solution

The fourth proportional to 37,503.60, 51,746.40 and 21,585.12 is: 29,782.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,503.60 : 51,746.40 = 21,585.12 : x
  2. Step 2: Convert to fraction form
    37,503.60/51,746.40 = 21,585.12/x
  3. Step 3: Cross multiply
    37,503.60x = 51,746.40 × 21,585.12
  4. Step 4: Simplify right side
    37,503.60x = 1,116,952,253.57
  5. Step 5: Solve for x
    x = 1,116,952,253.57/37,503.60
  6. Step 6: Final answer
    x = 29,782.53

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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.