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Finding the Fourth Proportional to 70,688.99, 97,478.48 and 46,806.95

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Solution

The fourth proportional to 70,688.99, 97,478.48 and 46,806.95 is: 64,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,688.99 : 97,478.48 = 46,806.95 : x
  2. Step 2: Convert to fraction form
    70,688.99/97,478.48 = 46,806.95/x
  3. Step 3: Cross multiply
    70,688.99x = 97,478.48 × 46,806.95
  4. Step 4: Simplify right side
    70,688.99x = 4,562,669,618.01
  5. Step 5: Solve for x
    x = 4,562,669,618.01/70,688.99
  6. Step 6: Final answer
    x = 64,545.69

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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.