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Finding the Fourth Proportional to 60,332,712.60, 90,499,068.90 and 21,995,477.40

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Solution

The fourth proportional to 60,332,712.60, 90,499,068.90 and 21,995,477.40 is: 32,993,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,332,712.60 : 90,499,068.90 = 21,995,477.40 : x
  2. Step 2: Convert to fraction form
    60,332,712.60/90,499,068.90 = 21,995,477.40/x
  3. Step 3: Cross multiply
    60,332,712.60x = 90,499,068.90 × 21,995,477.40
  4. Step 4: Simplify right side
    60,332,712.60x = 1,990,570,224,710,992.75
  5. Step 5: Solve for x
    x = 1,990,570,224,710,992.75/60,332,712.60
  6. Step 6: Final answer
    x = 32,993,216.10

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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.