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Finding the Fourth Proportional to 61,507.95, 84,889.05 and 34,655.64

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Solution

The fourth proportional to 61,507.95, 84,889.05 and 34,655.64 is: 47,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,507.95 : 84,889.05 = 34,655.64 : x
  2. Step 2: Convert to fraction form
    61,507.95/84,889.05 = 34,655.64/x
  3. Step 3: Cross multiply
    61,507.95x = 84,889.05 × 34,655.64
  4. Step 4: Simplify right side
    61,507.95x = 2,941,884,356.74
  5. Step 5: Solve for x
    x = 2,941,884,356.74/61,507.95
  6. Step 6: Final answer
    x = 47,829.34

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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.