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Finding the Fourth Proportional to 58,655.88, 87,970.32 and 34,970.12

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Solution

The fourth proportional to 58,655.88, 87,970.32 and 34,970.12 is: 52,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,655.88 : 87,970.32 = 34,970.12 : x
  2. Step 2: Convert to fraction form
    58,655.88/87,970.32 = 34,970.12/x
  3. Step 3: Cross multiply
    58,655.88x = 87,970.32 × 34,970.12
  4. Step 4: Simplify right side
    58,655.88x = 3,076,332,646.84
  5. Step 5: Solve for x
    x = 3,076,332,646.84/58,655.88
  6. Step 6: Final answer
    x = 52,447.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.