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Finding the Fourth Proportional to 64,075.86, 88,421.03 and 38,263.53

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Solution

The fourth proportional to 64,075.86, 88,421.03 and 38,263.53 is: 52,801.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,075.86 : 88,421.03 = 38,263.53 : x
  2. Step 2: Convert to fraction form
    64,075.86/88,421.03 = 38,263.53/x
  3. Step 3: Cross multiply
    64,075.86x = 88,421.03 × 38,263.53
  4. Step 4: Simplify right side
    64,075.86x = 3,383,300,542.72
  5. Step 5: Solve for x
    x = 3,383,300,542.72/64,075.86
  6. Step 6: Final answer
    x = 52,801.48

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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.