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Finding the Fourth Proportional to 70,586.98, 97,413.21 and 42,292.06

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Solution

The fourth proportional to 70,586.98, 97,413.21 and 42,292.06 is: 58,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,586.98 : 97,413.21 = 42,292.06 : x
  2. Step 2: Convert to fraction form
    70,586.98/97,413.21 = 42,292.06/x
  3. Step 3: Cross multiply
    70,586.98x = 97,413.21 × 42,292.06
  4. Step 4: Simplify right side
    70,586.98x = 4,119,805,322.11
  5. Step 5: Solve for x
    x = 4,119,805,322.11/70,586.98
  6. Step 6: Final answer
    x = 58,364.95

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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.