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Finding the Fourth Proportional to 65,802.52, 90,807.76 and 35,587.84

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Solution

The fourth proportional to 65,802.52, 90,807.76 and 35,587.84 is: 49,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,802.52 : 90,807.76 = 35,587.84 : x
  2. Step 2: Convert to fraction form
    65,802.52/90,807.76 = 35,587.84/x
  3. Step 3: Cross multiply
    65,802.52x = 90,807.76 × 35,587.84
  4. Step 4: Simplify right side
    65,802.52x = 3,231,652,033.64
  5. Step 5: Solve for x
    x = 3,231,652,033.64/65,802.52
  6. Step 6: Final answer
    x = 49,111.37

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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.