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Finding the Fourth Proportional to 65,495.77, 90,384.47 and 37,203.01

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Solution

The fourth proportional to 65,495.77, 90,384.47 and 37,203.01 is: 51,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,495.77 : 90,384.47 = 37,203.01 : x
  2. Step 2: Convert to fraction form
    65,495.77/90,384.47 = 37,203.01/x
  3. Step 3: Cross multiply
    65,495.77x = 90,384.47 × 37,203.01
  4. Step 4: Simplify right side
    65,495.77x = 3,362,574,155.24
  5. Step 5: Solve for x
    x = 3,362,574,155.24/65,495.77
  6. Step 6: Final answer
    x = 51,340.33

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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.