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Finding the Fourth Proportional to 58,458.47, 87,652.64 and 28,413.53

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Solution

The fourth proportional to 58,458.47, 87,652.64 and 28,413.53 is: 42,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,458.47 : 87,652.64 = 28,413.53 : x
  2. Step 2: Convert to fraction form
    58,458.47/87,652.64 = 28,413.53/x
  3. Step 3: Cross multiply
    58,458.47x = 87,652.64 × 28,413.53
  4. Step 4: Simplify right side
    58,458.47x = 2,490,520,335.89
  5. Step 5: Solve for x
    x = 2,490,520,335.89/58,458.47
  6. Step 6: Final answer
    x = 42,603.25

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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.