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Finding the Fourth Proportional to 60,497.95, 83,486.88 and 33,638.86

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Solution

The fourth proportional to 60,497.95, 83,486.88 and 33,638.86 is: 46,421.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,497.95 : 83,486.88 = 33,638.86 : x
  2. Step 2: Convert to fraction form
    60,497.95/83,486.88 = 33,638.86/x
  3. Step 3: Cross multiply
    60,497.95x = 83,486.88 × 33,638.86
  4. Step 4: Simplify right side
    60,497.95x = 2,808,403,468.16
  5. Step 5: Solve for x
    x = 2,808,403,468.16/60,497.95
  6. Step 6: Final answer
    x = 46,421.46

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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.